{"product_id":"ares-m-pro-usb3-0-mono-camera-imx533","title":"Ares-M Pro USB3.0 Mono Camera (IMX533)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Player One Astronomy Ares-M Pro is a cooled monochrome USB3.0 camera built on the 9-megapixel Sony IMX533 CMOS sensor. It shares the IMX533's 1″ square format (16 mm diagonal, 3008 × 3008 pixels, 11.31 mm × 11.31 mm imaging area) and 3.76 µm pixels, but as a monochrome sensor it collects light without a Bayer color filter — giving a peak quantum efficiency of about 91% and full per-pixel resolution. A two-stage TEC cools it 35°C–40°C below ambient for low-noise long exposures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is a good match if you image deep-sky objects through narrowband or LRGB filters and want the resolution and sensitivity a mono sensor provides. Paired with a filter wheel, it captures H-alpha, OIII, and SII data for high-contrast nebula work, and clean luminance for galaxies and clusters.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSony IMX533 monochrome sensor:\u003c\/strong\u003e 3008 × 3008 square array, 3.76 µm pixels, full resolution with no debayering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak QE about 91%:\u003c\/strong\u003e high sensitivity across the spectrum for efficient narrowband capture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e73 ke- full-well, 14-bit ADC:\u003c\/strong\u003e wide dynamic range and smooth tonal depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead noise down to 1.0e-:\u003c\/strong\u003e a low noise floor for faint narrowband signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage TEC, 35°C–40°C below ambient:\u003c\/strong\u003e controls dark current on long sub-exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e512 MB DDR3 buffer:\u003c\/strong\u003e steadies the USB3.0 data stream.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOptical \/ Mechanical Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRemoving the color filter array lifts peak QE to roughly 91% and lets every pixel record full spatial detail, which is why mono sensors are preferred for narrowband and high-resolution imaging. The 73 ke- full well and 14-bit ADC preserve dynamic range across stacked frames, and a D32 × 2 mm AR Plus multi-layer coated window protects the sensor. The trade is that color images require separate filtered exposures combined in processing.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Ares-M-PRO-QE_0c7eb58f-ab47-4b34-a1af-76964ef1782b.png?v=1784235835\" alt=\"Player One Astronomy Ares-M Pro IMX533 monochrome quantum efficiency QE curve for narrowband imaging\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband nebula imaging:\u003c\/strong\u003e H-alpha, OIII, and SII through a filter wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB deep-sky work:\u003c\/strong\u003e high-resolution luminance for galaxies and clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooled long-exposure imaging:\u003c\/strong\u003e low thermal noise from suburban or dark skies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Ares-M Pro connects over USB3.0\/USB2.0 (Type-C) and powers its cooler from a 12 V DC 5.5 × 2.1 mm input. It uses a 1.25″ fit and M42 × 0.75 threads, with the sensor set 17.5 mm behind the front face. As a mono camera it is designed to run with filters — build your spacing from that 17.5 mm back focus when adding a filter wheel and flattener.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Ares-m2.jpg?v=1784235836\" alt=\"Player One Astronomy Ares-M Pro 17.5mm back focal length spacing diagram for imaging trains\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor needs filters:\u003c\/strong\u003e a monochrome camera builds color from separate filtered exposures, typically with a filter wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt is a dedicated imaging camera:\u003c\/strong\u003e it works through a computer and has no application in a visual eyepiece train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling draws 12 V power:\u003c\/strong\u003e plan a 12 V DC supply alongside the USB connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing to the sensor:\u003c\/strong\u003e the 17.5 mm back focus is your reference — send us your filter wheel and flattener setup and we will confirm the spacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It threads onto a 1.25″ or M42 interface, connects with one USB3.0 Type-C cable, and takes 12 V DC for cooling. A filter wheel adds a step, but the camera itself is controlled entirely in software.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCooled monochrome deep-sky imaging — narrowband nebulae and high-resolution LRGB galaxies and clusters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a filter wheel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor color results, yes — mono cameras record one filter at a time and combine the channels in processing. For narrowband luminance alone, a single filter works.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it different from the Ares-C Pro?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSame IMX533 sensor and body, but monochrome: higher peak QE (about 91%) and full-resolution detail, at the cost of needing filters for color.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: a cooled monochrome camera on the square 9 MP Sony IMX533, with 3.76 µm pixels, about 91% peak QE, a 73 ke- full well, and 35°C–40°C of cooling below ambient. Run it with filters and it delivers high-resolution narrowband and LRGB data, set 17.5 mm behind its front face.\u003c\/p\u003e","brand":"Player One Astronomy","offers":[{"title":"Player One Phoenix Wheel 8x1.25","offer_id":44013913505903,"sku":"Ares-M","price":1398.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Ares-M-PRO-logo2__44741.jpg?v=1766566372","url":"https:\/\/ontariotelescope.com\/products\/ares-m-pro-usb3-0-mono-camera-imx533","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}