{"title":"Diffraction Limited Filter Wheels","description":"\u003cp\u003eSBIG filter wheels from Diffraction Limited — AFW, FW5-STX, FW7-STX and FW8 series, plus the adapters, covers and spacers that go with them.\u003c\/p\u003e","products":[{"product_id":"sbig-afw-filter-wheels","title":"SBIG AFW Filter Wheels","description":"\u003cp\u003eSBIG AFW Filter Wheels are ultra-thin wheels that minimize back focus distance.\u003c\/p\u003e\n\u003cp\u003eThe standard version, which accommodates filters ranging from 1 mm to 3 mm thick, uses only 0.55″ (14 mm) back focus.\u003c\/p\u003e\n\u003cp\u003eThe tall version, which accommodates 5 mm thick filters, uses only 0.65″ (16.5 mm) back focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImproved Filter Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn order to accommodate the most popular filter sizes, convenient spacers are included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 mm filters – do not use spacer\u003c\/li\u003e\n\u003cli\u003e2 mm filters – align notches in spacer with mounting screws\u003c\/li\u003e\n\u003cli\u003e1 mm filters – flip over spacer so notches face the filter\u003c\/li\u003e\n\u003cli\u003e5 mm filters – AFW-10-50ST only – adds tall spacers and mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AFW series filter wheels are designed to be quickly installed onto the camera without removing the carousel or individual filters.  Removing a single access cover provides access to the filter slots and camera mounting screws.\u003c\/p\u003e\n\u003cp\u003eTwo mounting screws are “captive” under the carousel, and can be accessed by turning the carousel by hand to align access holes with the screw heads.  The two remaining screws are freely accessible.  This makes installation and removal quick and easy.\u003c\/p\u003e\n\u003cp\u003eOnce the wheel is attached to the camera, a single cable is connected to the camera’s AUX port. This single cable provides all necessary power and control functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Wheel Support:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor those users requiring more filters, AFW series wheels include the ability to control two filter wheels. The filter wheels can be stacked using our AFW Dual Adapter. A matching three-port low profile cable is included to connect the two wheels to the camera’s control port.\u003c\/p\u003e\n\u003cp\u003eCurrently software support is available via an Aluma AC series camera and MaxIm LT or MaxIm DL Pro software.  Alternatively, the dual wheel can be controlled via our SBIG USB to Filter Wheel Adapter using its associated ASCOM driver.\u003c\/p\u003e\n\u003cp\u003eThe software allows you to configure “virtual” filter slots, that map to specific slots on wheel 1 and wheel 2.  Usually one slot is left blank in each wheel, allowing you to select filters from one wheel or the other.  It is also possible to arrange for two filters to be used per slot, depending on your requirements.\u003c\/p\u003e\n\u003cp\u003eWith one blank slot in each wheel, a pair of AFW-10-50SQ wheels allow you to use 18 filters.  Similarly a pair of AFW-12-50R wheels will allow you to use 22 filters, and a pair of AFW-16-36R wheels will allow you to use 30 filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStarChaser Autoguider and AO-X Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAFW series wheels are compatible with StarChaser SC-3, providing self-guiding in front of the filters.  They also work with our popular AO-X Adaptive Optics unit, providing the tightest possible star images.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCamera Model Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note that when smaller filters are used they may vignette larger sensors.  Compact models will require the AFW to Small Format Camera Adapter.  Some cameras will require an 11066 cable adapter.  Some older products are not electrically compatible and need to use the USB-FW adapter.\u003c\/p\u003e\n\u003cdiv id=\"tablepress-12_wrapper\" class=\"dataTables_wrapper no-footer\"\u003e\n\u003cdiv id=\"tablepress-12_filter\" class=\"dataTables_filter\"\u003e \u003c\/div\u003e\n\u003ctable id=\"tablepress-12\" class=\"tablepress tablepress-id-12 dataTable no-footer\" aria-describedby=\"tablepress-12_info\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1 sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"tablepress-12\" aria-label=\"Camera Model: activate to sort column ascending\"\u003eCamera Model\u003c\/th\u003e\n\u003cth class=\"column-2 sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"tablepress-12\" aria-label=\"Recommended Filter Size: activate to sort column ascending\"\u003eRecommended Filter Size\u003c\/th\u003e\n\u003cth class=\"column-3 sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"tablepress-12\" aria-label=\"Adapters: activate to sort column ascending\"\u003eAdapters\u003c\/th\u003e\n\u003cth class=\"column-4 sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"tablepress-12\" aria-label=\"Notes: activate to sort column ascending\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003eAluma AC4040\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eAluma AC2020\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Round or Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003eAluma AC455\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eAluma CCD (all)\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14, 11066\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTC-428\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14, 11066\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eSee below for STC-7 and STC-428-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTX-16801\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTX-16803\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTX-9000\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTXL-16200\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Round or Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-11 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTXL-11002\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Round or Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-12 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTXL-6303\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e50 Round or Square\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e \u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003eCamera must operate on USB, not Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-13 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTT-8300\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14, USB-FW\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-14 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTT-3200\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14, USB-FW\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-15 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTT-1603\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14, USB-FW\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-16 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTF-8300\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-17 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTF-8050\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-18 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTF-4070\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-19 odd\"\u003e\n\u003ctd class=\"column-1\"\u003eSTF-3200\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-20 even\"\u003e\n\u003ctd class=\"column-1\"\u003eSTF-1603\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e36 Round; all are compatible\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003eACC14\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv id=\"tablepress-12_info\" class=\"dataTables_info\" role=\"status\" aria-live=\"polite\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional compatibility notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSTC-7\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSTC-428-P:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe built-in filter wheel prevents the camera from controlling an external wheel.  Options are (a) to replace the built-in wheel with an STC-428-OEM front plate, or (b) stack the AFW on top and control the second wheel via a USB-FW adapter. The two wheels can be operated together using MaxIm DL’s Dual Filter Wheel feature.  ACC14 is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eST series\u003c\/strong\u003e: \u003c\/p\u003e\n\u003cp\u003eNot officially supported.  Requires an ACC14.  May work directly with camera but this is not guaranteed, as ST firmware is no longer under active support.  If there is an issue controlling the wheel than a USB-FW adapter will be required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSTL series\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eNot officially supported.  The built-in filter wheel prevents the camera from controlling an external wheel. It is possible to attach an AFW wheel to the STL using the ACC10 STL to StarChaser Adapter and use a USB-FW to control it.  Since STL also has an internal filter wheel the combination is best supported using MaxIm DL’s Dual Filter Wheel feature.\u003c\/p\u003e\n\u003ch2 class=\"resp-accordion resp-tab-active\" role=\"tab\" aria-controls=\"tab_item-1\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSPECIFICATIONS:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv id=\"tab-additional_information\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-1\"\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_computer-interface\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eComputer Interface\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eI2C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_os-compatibility\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e4 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_filter-size\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eFilter Size\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e36mm Round, 50mm Round, 50mm Square, 50mm Square 5mm Tall\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013939097711,"sku":"SBIG AFW","price":2968.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/SBIG-AFW-Filter-Wheel-3-600x600__63889.png?v=1766567170"},{"product_id":"fw7-stx","title":"FW7-STX","description":"\u003cp\u003eThe SBIG FW7-STX is a 7-Position, 50mm square filter wheel.  Supports:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAluma AC4040\u003c\/li\u003e\n\u003cli\u003eAluma AC2020\u003c\/li\u003e\n\u003cli\u003eSTX Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SBIG FW7-STX is a 7-Position, 50mm square filter wheel for STX, Aluma AC4040, and Aluma AC2020 cameras.\u003c\/p\u003e\n\u003cp\u003eWorks with the STX Guider or StarChaser SC-3 for self-guiding with the sensor in front of the filter wheel.\u003c\/p\u003e\n\u003cp\u003eCan also be used with an STL camera, using an ACC10 Adapter.\u003c\/p\u003e\n\u003cp\u003eWe recommend 2mm thick,  50mm x 50mm square unmounted filters.\u003c\/p\u003e\n\u003cp\u003eIt is possible to install 3mm filters if you do not fully tighten the carousel filter retainer screws.\u003c\/p\u003e\n\u003cp\u003eThin 1mm filters are not recommended, and will require shims, not available from us.\u003c\/p\u003e\n\u003cp\u003ePlease note that this wheel is not compatible with Aluma AC455.\u003c\/p\u003e\n\u003ch2 class=\"resp-accordion resp-tab-active\" role=\"tab\" aria-controls=\"tab_item-1\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSPECIFICATIONS:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv id=\"tab-additional_information\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-1\"\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_computer-interface\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eComputer Interface\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eI2C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_os-compatibility\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e4.4 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_filter-size\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eFilter Size\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e50mm Square\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013940015215,"sku":"FW7-STX","price":2563.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/stx_fw51_25__72944.jpg?v=1766567175"},{"product_id":"fw8-stc","title":"FW8-STC","description":"\u003cul\u003e\n\u003cli\u003eHolds eight 36mm drop in filters for un-vignetted imaging at any f\/ratio with STC-428 cameras.\u003c\/li\u003e\n\u003cli\u003eThin design – adds only 20mm backfocus (Total backfocus for STC-428 with FW8-STC is 38mm).\u003c\/li\u003e\n\u003cli\u003eAllows the use of an optional Nikon lens adapter with the filter wheel.\u003c\/li\u003e\n\u003cli\u003eUses the camera’s AUX port for power and commands.  No additional power or computer cable is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSTC-428\u003c\/li\u003e\n\u003cli\u003eSTC-7 (after removing integrated filter wheel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"resp-accordion resp-tab-active\" role=\"tab\" aria-controls=\"tab_item-0\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSPECIFICATIONS:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv id=\"tab-additional_information\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-0\"\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_power\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003ePower\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e12 VDC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_computer-interface\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eComputer Interface\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eI2C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_os-compatibility\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e1.35 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_filter-size\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eFilter Size\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e36mm \/ 1.25\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013941129327,"sku":"FW8-STC","price":1618.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/FW-STF__16738.jpg?v=1766567180"},{"product_id":"fw8-8300","title":"FW8-8300","description":"\u003cul\u003e\n\u003cli\u003eHolds eight 36mm drop in filters for un-vignetted imaging at any f\/ratio with STF-8300 cameras.\u003c\/li\u003e\n\u003cli\u003eThin design – adds only 20mm backfocus (Total backfocus for STF-8300 with FW8-8300 is 38mm).\u003c\/li\u003e\n\u003cli\u003eAllows the use of an optional Nikon lens adapter with the filter wheel.\u003c\/li\u003e\n\u003cli\u003eUses the camera’s I2C port for power and commands.  No additional power or computer cable is required.\u003c\/li\u003e\n\u003cli\u003eIncludes 10065 mounting plate with standard T-thread (M42 x 0.75mm) mounting hole to telescope\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSTF-8300M\u003c\/li\u003e\n\u003cli\u003eSTF-1603W (must have W suffix)\u003c\/li\u003e\n\u003cli\u003eSTF-3200W (must have W suffix)\u003c\/li\u003e\n\u003cli\u003eSTF-8050M\u003c\/li\u003e\n\u003cli\u003eSTF-4070M\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"resp-accordion resp-tab-active\" role=\"tab\" aria-controls=\"tab_item-0\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSPECIFICATIONS:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv id=\"tab-additional_information\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-0\"\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_power\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003ePower\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e12 VDC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_computer-interface\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eComputer Interface\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eI2C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_os-compatibility\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e1.35 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_filter-size\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eFilter Size\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e36mm \/ 1.25\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013942308975,"sku":"FW8-8300","price":1618.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/FW-STF__22518.jpg?v=1766567184"},{"product_id":"dual-afw-filter-wheel-adapter","title":"Dual AFW Filter Wheel Adapter","description":"\u003cp\u003eThis kit allows you to stack two AFW series filter wheels. It includes a two-piece adapter and a custom cable with three connectors, plus necessary screws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe three main parts are:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBottom Dual Wheel Adapter.  This is the thinner adapter plate.\u003c\/li\u003e\n\u003cli\u003eBottom Dual Wheel Adapter.  This is the thicker adapter plate.\u003c\/li\u003e\n\u003cli\u003eThree-connector cable.  One connector has a custom back shell, which is thin enough to be mounted between the two wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRefer to the diagram:\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"alignnone size-medium wp-image-15703\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/dualwheel-800x313_fea052c1-f518-4357-be25-11d778557760.jpg?v=1766567188\" sizes=\"(max-width: 800px) 100vw, 800px\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/dualwheel-800x313_fea052c1-f518-4357-be25-11d778557760.jpg?v=1766567188 800w, https:\/\/diffractionlimited.com\/wp-content\/uploads\/2021\/03\/dualwheel-768x300.jpg 768w, https:\/\/diffractionlimited.com\/wp-content\/uploads\/2021\/03\/dualwheel-640x250.jpg 640w, https:\/\/diffractionlimited.com\/wp-content\/uploads\/2021\/03\/dualwheel-400x156.jpg 400w, https:\/\/diffractionlimited.com\/wp-content\/uploads\/2021\/03\/dualwheel-367x143.jpg 367w, https:\/\/diffractionlimited.com\/wp-content\/uploads\/2021\/03\/dualwheel-600x234.jpg 600w\" alt=\"\" width=\"800\" height=\"313\"\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eFollowing the standard filter wheel instructions, remove the cover plate and mount the Bottom Wheel to the camera.\u003c\/li\u003e\n\u003cli\u003eSet the 1\/2 selector at the edge of the circuit board to 1.\u003c\/li\u003e\n\u003cli\u003ePlace the Bottom Adapter on the outside of the Bottom Wheel’s cover, with the four countersunk holes facing upwards.  Use four 6-32 x 1\/4″ screws to attach the adapter.  When installed correctly the four screws will be inset into the adapter.\u003c\/li\u003e\n\u003cli\u003eInstall filters and reattach the cover on the Bottom Wheel, per the standard instructions.\u003c\/li\u003e\n\u003cli\u003ePlace the thicker Top Adapter on the Bottom Adapter, with the four countersunk holes facing upwards.  Use four 6-32 x 1\/4″ screws to attach it to the Bottom Adapter.\u003c\/li\u003e\n\u003cli\u003eRemove the cover from the Top Wheel.\u003c\/li\u003e\n\u003cli\u003eSet the 1\/2 selector at the edge of the circuit board to 2.\u003c\/li\u003e\n\u003cli\u003eUsing the supplied cable, attach the connector with the low-profile back shell to the Top Wheel.  Orient the cable pointing inwards towards the adapters.\u003c\/li\u003e\n\u003cli\u003eThe Top Wheel is now installed on top of the adapters, using the mounting screws that come with the filter wheel.  Note that the Top Wheel must be rotated 90 degrees relative to the Bottom Wheel so that the motor cover does not hit.\u003c\/li\u003e\n\u003cli\u003eInstall the filters into the Top Wheel, and reattach the cover.  Attach the nosepiece adapter per the standard filter wheel instructions.\u003c\/li\u003e\n\u003cli\u003eConnect the second connector in the cable to the Bottom Wheel.\u003c\/li\u003e\n\u003cli\u003eConnect the third connector in the cable to the camera.\u003c\/li\u003e\n\u003cli\u003eConfigure the MaxIm LT or MaxIm DL Pro software for the dual wheel.  Please refer to the MaxIm DL user manual for details.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Organization:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe software setup will map each virtual dual wheel slot to a combination of slots in Wheel 1 (bottom) and Wheel 2 (top).  As an example:\u003c\/p\u003e\n\u003cp\u003eVirtual Slot 1 (Luminance) = Bottom Slot 1 (Luminance), Top Slot 10 (empty)\u003cbr\u003eVirtual Slot 2 (Red) = Bottom Slot 2 (Red), Top Slot 10 (empty)\u003cbr\u003e… etc.\u003cbr\u003eVirtual Slot 10 (U) = Bottom Slot 10 (empty), Top Slot 1 (U)\u003cbr\u003eVirtual Slot 11 (B) = Bottom Slot 10 (empty), Top Slot 2 (B)\u003cbr\u003e… etc.\u003c\/p\u003e\n\u003cp\u003eIt is also possible to configure the Dual Wheel slots to use two filters together, if desired.  As an example if you wanted to sometimes image very bright targets, you could include a neutral density filter in the top wheel that stacks on top of RGB filters in the bottom wheel.  Please note that stacking two filters will result in a change in focus position compared to one filter.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013943980143,"sku":"AFW-DUAL-KIT","price":538.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/dual-600x600__43202.jpg?v=1766567190"},{"product_id":"sbig-usb-to-filter-wheel-adapter","title":"SBIG USB to Filter Wheel Adapter","description":"\u003cp\u003eMost SBIG filter wheels require a direct connection to an SBIG camera to be operated. Some specialized imaging configurations either require additional filter wheels, or a direct SBIG camera connection is not possible.   In this case, the SBIG USB to Filter Wheel Adapter (USB-FW) can be used to control the wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB Mini B interface, 15 foot (4.5 m) USB A to Mini B cable included\u003c\/li\u003e\n\u003cli\u003eDB-9 style I2C connector for filter wheel – connects to original filter wheel cable\u003c\/li\u003e\n\u003cli\u003eUniversal AC power supply with 9 foot (2.7 m) extension cable and locking power connector included\u003c\/li\u003e\n\u003cli\u003eUses ASCOM driver for control from most astronomical imaging software or via custom scripts\u003c\/li\u003e\n\u003cli\u003eWorks with SBIG AFW series filter wheels, FW8S-STXL, FW8S-STT, FW8-8300, and FW7-STX.\u003c\/li\u003e\n\u003cli\u003eSupports dual wheel operation for the SBIG AFW series wheels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013948272751,"sku":"USB-FW","price":673.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/USB-FW__53305.jpg?v=1766567203"},{"product_id":"cfw-402-rgbc","title":"CFW-402 RGBC","description":"\u003cp\u003eThis is the internal filter wheel for the SBIG STF-402M only. It contains very high quality interference filters custom made for this camera. Note that the filters are permanently attached to the filter carousel and cannot be changed.\u003c\/p\u003e\n\u003cdiv id=\"main\" class=\"column1 boxed\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"row main-content-wrap\"\u003e\n\u003cdiv class=\"main-content col-lg-12\"\u003e\n\u003cdiv id=\"primary\" class=\"content-area\"\u003e\u003cmain id=\"content\" class=\"site-main\" role=\"main\"\u003e\n\u003cdiv id=\"product-543\" class=\"product type-product post-543 status-publish first instock product_cat-components product_cat-filter-sale product_cat-filter-wheels-parts-accessories product_cat-optical-filters-parts-accessories has-post-thumbnail taxable shipping-taxable purchasable product-type-simple product-layout-default\"\u003e\n\u003cdiv id=\"product-tab\" class=\"woocommerce-tabs woocommerce-tabs-yk6lpz6jhqhimjjb70hqpncksguk0ga resp-htabs\"\u003e\n\u003cdiv class=\"resp-tabs-container\"\u003e\n\u003cdiv id=\"tab-description\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-0\"\u003e\n\u003cp\u003eOptional internal filter wheel for the SBIG STF-402M.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cp\u003eAn internal filter wheel with custom RGB+C color filters is available as an option for color imaging with the STF-402M.  The filters are designed specifically to yield a proper balance of both OIII and H-alpha emission line intensity from planetary nebula while at the same time giving an accurate while balance from continuum light from solar type stars in the same field.\u003c\/p\u003e\n\u003cp\u003eThe Mars image below shows a violet haze over the north pole (south is up) and a diffuse yellow dust storm in the southern hemisphere.  The image was taken by Ed Grafton of Houston, Texas using an C14 telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"wp-image-1325 size-full aligncenter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/mars_curves_13c31d37-3a91-4c5d-b689-02f513b44bb6.jpg?v=1766567207\" alt=\"mars_curves\" width=\"802\" height=\"300\"\u003e\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013949911151,"sku":"CFW-402-RGB","price":538.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/402_filters1-e1471021610471__33026.jpg?v=1766567209"},{"product_id":"fw5-stx","title":"FW5-STX","description":"\u003cp\u003eThe SBIG FW5-STX is a 5-Position, 65mm square filter wheel for STX series cameras. 65mm square filters allow the use of the built-in guider (if equipped) while imaging through LRGB filters.\u003c\/p\u003e\n\u003cp\u003eFor 50mm square photometric and narrowband filters, and external guiding, use the FW7-STX filter wheel and StarChaser SC-3.\u003c\/p\u003e\n\u003cp\u003eFilters are not included.\u003c\/p\u003e\n\u003ch2 class=\"resp-accordion resp-tab-active\" role=\"tab\" aria-controls=\"tab_item-0\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSPECIFICATIONS:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv id=\"tab-additional_information\" class=\"tab-content resp-tab-content resp-tab-content-active\" aria-labelledby=\"tab_item-0\"\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_computer-interface\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eComputer Interface\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eI2C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_os-compatibility\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eOS Compatibility\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003eWindows 32 and 64 bit OS, Mac\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e4.35 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_filter-size\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eFilter Size\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e\n\u003cp\u003e65mm Square\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013951287407,"sku":"FW5-STX","price":2974.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/stx_fw51_25__40581.jpg?v=1766567214"},{"product_id":"filter-wheel-spacer","title":"Filter Wheel Spacer","description":"\u003cdiv class=\"description woocommerce-product-details__short-description\"\u003e\n\u003cp\u003eThis spacer is used on STF cameras, and takes the place of the FW8-8300 when a filter wheel is not required.  It is the same thickness as the filter wheel and provides the correct spacing to the camera lens adapter.  Also required to attach a StarChaser SC-2 or OAG-8300 when a filter wheel is not being used.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013967540335,"sku":"CA-FWSPACER","price":106.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/CA-FWSPACER__72985.jpg?v=1766567266"},{"product_id":"standard-cover-for-the-aluma-filter-wheel","title":"Standard Cover for the Aluma Filter Wheel","description":"\u003cp\u003eStandard front cover for Aluma filter wheel – replaces the self-guiding front cover when minimum back focus distance is needed.\u003c\/p\u003e","brand":"Diffraction Limited","offers":[{"title":"Default Title","offer_id":44013971538031,"sku":"FW8-ALUMA-STD-COVER","price":471.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/AlumaStandardPlate__47687.jpg?v=1766567280"}],"url":"https:\/\/ontariotelescope.com\/collections\/diffraction-limited-filter-wheels.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}