{"title":"Askar Filter Drawers","description":"\u003cp\u003eThe Askar Multifunctional Filter Drawer holds a single filter in the imaging train for quick changes by hand. Part of \u003ca href=\"\/collections\/filter-drawers-and-manual-wheels\"\u003eFilter Drawers, Sliders \u0026amp; Holders\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"askar-multifunctional-filter-drawer","title":"ASKAR Multifunctional Filter Drawer","description":"\u003cspan style=\"color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003eUsers are often racked by the task of choosing and matching dazzling filters as well as adapters when it comes to using a filter drawer. It just becomes more confusing for those who are quite new to astrophotography. To solve this problem, Askar introduces a multifunctional filter drawer. The major feature or strength of this filter drawer is its integration of the most marketable filters, telescope and astronomy camera adapters. Users basically don’t need to worry about the related issues any more with this five-in-one filter installation device.\u003c\/span\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003cimg alt=\"\" src=\"https:\/\/www.askarlens.com\/Upload\/164030982185.jpg\" type=\"image\" style=\"outline: none; box-sizing: border-box; border: 0px; max-width: 100%; transition: all 0.3s ease 0s; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\" width:=\"\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003ch3 style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify text-align:=\"\"\u003eBasic Components\u003c\/h3\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003ctable border=\"1\" cellspacing=\"0\" width=\"100%\" style=\"outline: none; border-collapse: collapse; border-spacing: 0px; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003ctbody style=\"outline: none; box-sizing: border-box;\"\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eName\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eMain body of Askar filter drawer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eaccommodate the filter slider;\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003econnect the telescope and the astronomy camera\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003esmooth coating;\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003eclassic Askar logo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eFilter slider\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003ecarry the filters\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003eswap different filters\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003edesigned with threads and circular groove for the attachment of both mounted and unmounted filters;\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e \u003cbr style=\"outline: none; box-sizing: border-box;\"\u003ethe filter slider with the smallest opening is used for the attachment of 1.25\" mounted filters and 31mm unmounted filters;\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e \u003cbr style=\"outline: none; box-sizing: border-box;\"\u003ethe middle-opening filter slider is used for the attachment of 36mm unmounted filters;\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e \u003cbr style=\"outline: none; box-sizing: border-box;\"\u003ethe slider with the largest opening is used to attach 2\" mounted filters and 50mm unmounted filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eAdapters at the telescope side\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto connect the filter drawer and the telescope\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003edesigned with M42, M48 and M54 thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eAdapters at the camera side\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto connect the filter drawer and the camera\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003edesigned with M42, M48 and M54 thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eFilter holding ring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto securely hold the unmounted filter\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003ethree different sizes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\n\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM2×4 countersink screw\u003c\/strong\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM1.27 wrench\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto fix the filter holding ring onto the filter slider\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\n\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM3×2.5 grub screw\u003c\/strong\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM1.5 wrench\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto adjust the space between the main body and the camera adapter\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"outline: none; box-sizing: border-box; text-align: center;\"\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 132px;\"\u003e\n\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM3×8 countersink screw\u003c\/strong\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cstrong style=\"outline: none; box-sizing: border-box;\"\u003eM2 wrench\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 199px;\"\u003eto fix the camera adapter on the main body\u003c\/td\u003e\n\u003ctd style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; width: 236px;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr style=\"outline: none; box-sizing: border-box; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.askarlens.com\/Upload\/164031069643.jpg\" type=\"image\" style=\"outline: none; box-sizing: border-box; border: 0px; max-width: 100%; transition: all 0.3s ease 0s; width: 0px;\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003ch3 style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003eAssembly Steps\u003c\/h3\u003e\n\u003c\/div\u003e\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e\n\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003eUsers have to follow the certain steps to successfully assembly the Askar filter drawer and put it into the light path to fit the whole optical system:\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e1. take out the main body of Askar filter drawer\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e2. choose a proper camera adapter according to the thread type of your astronomy camera\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e3. fix the camera adapter on the main body with 5 M3×8 countersink screws and wrench of M2\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e4. choose a proper telescope adapter according to the thread type of your telescope\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e5. thread on the telescope adapter\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e6. connect the filter drawer and your telescope\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e7. connect your astronomy camera and the filter drawer\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e8. make sure that these accessories are tightly connected and the whole system has a correct back focus. You can add extra spacers(optional) to reach the required back focus\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e9. choose a proper filter slider according to the filter you are going to use. If it’s a 1.25\" or 2\" mounted filter, directly thread it onto the filter slider. And if it’s a 31mm, 36mm or 50mm unmounted filter, gently put the filter into the circular groove and superimpose a filter holding ring, fix the holding ring with 3 M2×4 countersink screws and the wrench of M1.27 to securely hold the filter between.\u003c\/div\u003e\n\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e10. Insert the filter slider into the Askar filter draw and it’s ready for astrophotography\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"outline: none; box-sizing: border-box; margin: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: ????, \" microsoft yahei justify font-size:=\"\" text-align:=\"\"\u003e\n\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/www.askarlens.com\/Upload\/164031075611.jpg\" type=\"image\" style=\"outline: none; box-sizing: border-box; border: 0px; max-width: 100%; transition: all 0.3s ease 0s; width: 0px;\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cbr style=\"outline: none; box-sizing: border-box;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/www.askarlens.com\/Upload\/164031347270.jpg\" type=\"image\" style=\"outline: none; box-sizing: border-box; border: 0px; max-width: 100%; transition: all 0.3s ease 0s; width: 1080px;\"\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":44013818577007,"sku":"ASK-M54-DRW","price":238.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1640310505__45738.jpg?v=1766563752"}],"url":"https:\/\/ontariotelescope.com\/collections\/filter-drawers-askar.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}