{"product_id":"gpm662c","title":"ToupTek GPM662C Colour Guide \u0026 Planetary Camera – Sony IMX662","description":"\u003cdiv class=\"dcs-product-guide\"\u003e\n  \u003ch2\u003eToupTek GPM662C – sensitive guiding and colour imaging in one compact camera\u003c\/h2\u003e\n  \u003cp\u003eBuild a versatile telescope setup with the \u003cstrong\u003eToupTek GPM662C colour guide and planetary camera\u003c\/strong\u003e. Combining a \u003cstrong\u003eSony IMX662 back-illuminated CMOS sensor\u003c\/strong\u003e, 2.9µm pixels and an integrated ST4 guide port, it offers a lightweight solution for autoguiding alongside lunar and planetary imaging.\u003c\/p\u003e\n  \u003cp\u003eUSB power keeps your cabling straightforward, while the supplied 1.25-inch nosepiece and CS-mount adapter provide flexible connection options for compatible telescopes, guide scopes and lenses.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1.webp?v=1789308447\" alt=\"ToupTek GPM662C colour guide and planetary astronomy camera\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eWhy choose the ToupTek GPM662C?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSony IMX662 colour sensor:\u003c\/strong\u003e capture images at 1920 × 1080 resolution with compact 2.9µm pixels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow read noise:\u003c\/strong\u003e HCG mode reaches a manufacturer-specified minimum of 0.48e⁻ at high gain.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGreater capacity for brighter targets:\u003c\/strong\u003e LCG mode provides a maximum full-well capacity of approximately 39ke⁻.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated ST4 port:\u003c\/strong\u003e connect to a compatible mount for software-controlled guiding corrections.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUSB-powered convenience:\u003c\/strong\u003e one USB Type-C connection supplies power and transfers image data.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLightweight construction:\u003c\/strong\u003e the 65.3g camera adds little weight to your guiding setup.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eA sensitive Sony sensor at its heart\u003c\/h2\u003e\n  \u003cp\u003eThe GPM662C uses a \u003cstrong\u003e2.1-megapixel back-illuminated colour sensor\u003c\/strong\u003e with an active imaging area of 5.57 × 3.13mm. ToupTek specifies a peak quantum efficiency above 91%, describing the sensor's efficiency at converting incoming photons into an electrical signal at its most responsive wavelength.\u003c\/p\u003e\n  \u003cp\u003eThe spectral-response chart below shows how the sensor's red, green and blue channels respond across different wavelengths. The camera's usable response also depends on the protective window and any filters fitted in the optical path.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/Spectral_Response_Curve.webp?v=1789308301\" alt=\"Sony IMX662 sensor spectral-response curves for the red, green and blue colour channels\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eChoose the gain mode to suit your target\u003c\/h2\u003e\n\n  \u003ch3\u003eLCG mode: more capacity for brighter signals\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eLow Conversion Gain mode\u003c\/strong\u003e offers a maximum full-well capacity of \u003cstrong\u003e39.034ke⁻\u003c\/strong\u003e. At lower gain settings, this gives each pixel more capacity before saturation, which can be useful when capturing brighter targets or working with bright guide stars.\u003c\/p\u003e\n  \u003cp\u003eThe chart below shows how full-well capacity, read noise and dynamic range change as gain increases.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/LCG_Performance.webp?v=1789308300\" alt=\"ToupTek GPM662C LCG performance charts showing conversion gain, read noise, full-well capacity and dynamic range\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003ch3\u003eHCG mode: lower read noise for faint signals\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eHigh Conversion Gain mode\u003c\/strong\u003e reduces read noise, with ToupTek reporting values from \u003cstrong\u003e1.11e⁻ down to 0.48e⁻\u003c\/strong\u003e across the stated gain range. This can be useful when working with faint guide stars or short exposures where read noise contributes more strongly to the captured image.\u003c\/p\u003e\n  \u003cp\u003eIncreasing gain also reduces the available full-well capacity. Choose your settings to retain a clear, unsaturated guide star or preserve detail in your imaging target.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/HCG_Performance.webp?v=1789308301\" alt=\"ToupTek GPM662C HCG performance charts showing conversion gain, read noise, full-well capacity and dynamic range\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003cp\u003e\u003cem\u003eThe lowest read noise and highest full-well capacity occur at different gain settings and modes; they are not simultaneous performance figures.\u003c\/em\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eStraightforward autoguiding connections\u003c\/h2\u003e\n  \u003cp\u003eFit the GPM662C to a compatible guide scope, connect it to your computer or supported controller by USB, and select the appropriate camera driver in your guiding software. The software measures guide-star movement and calculates corrections for your mount.\u003c\/p\u003e\n  \u003cp\u003eFor \u003cstrong\u003eST4 guiding\u003c\/strong\u003e, connect the supplied ST4 cable between the camera and your mount's compatible guide port. The camera does not operate as a standalone guider: a computer or supported controller running guiding software is required.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/touptek-gpm662c-usb-c-st4-connections.jpg?v=1789308667\" alt=\"ToupTek GPM series camera showing the USB Type-C data and power connection and ST4 autoguider port\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eExplore lunar and planetary imaging\u003c\/h2\u003e\n  \u003cp\u003eMove the camera from your guide scope to a compatible telescope to capture colour images of the Moon and planets. At the full \u003cstrong\u003e1920 × 1080 resolution\u003c\/strong\u003e, the GPM662C delivers up to \u003cstrong\u003e17.8 frames per second in 8-bit mode\u003c\/strong\u003e or \u003cstrong\u003e8.9 frames per second in 12-bit mode\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003cp\u003eA smaller \u003cstrong\u003eregion of interest (ROI)\u003c\/strong\u003e reduces the area being read from the sensor and can increase capture speed. The camera also supports digital binning from 1×1 to 8×8 and includes a frame buffer to help manage image-data transfer.\u003c\/p\u003e\n  \u003cp\u003eThe Type-C socket uses the \u003cstrong\u003eUSB 2.0 interface\u003c\/strong\u003e. Cooling is passive, with no regulated thermoelectric cooling system.\u003c\/p\u003e\n\n  \u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n  \u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eToupTek GPM662C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSensor\u003c\/th\u003e\n\u003ctd\u003eSony IMX662 back-illuminated colour CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e1920 × 1080 pixels, approximately 2.1MP\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePixel size\u003c\/th\u003e\n\u003ctd\u003e2.9 × 2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical format\u003c\/th\u003e\n\u003ctd\u003e1\/2.8-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eActive imaging area\u003c\/th\u003e\n\u003ctd\u003e5.57 × 3.13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eADC\u003c\/th\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eFull-resolution frame rate\u003c\/th\u003e\n\u003ctd\u003eUp to 17.8fps at 8-bit; 8.9fps at 12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eExposure range\u003c\/th\u003e\n\u003ctd\u003e0.1ms–1000s\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eGain modes\u003c\/th\u003e\n\u003ctd\u003eHCG and LCG\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eRead noise\u003c\/th\u003e\n\u003ctd\u003e0.48–6.81e⁻, depending on gain and mode\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum full-well capacity\u003c\/th\u003e\n\u003ctd\u003e39.034ke⁻ in LCG mode\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePeak quantum efficiency\u003c\/th\u003e\n\u003ctd\u003eAbove 91%, as specified by ToupTek\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eShutter\u003c\/th\u003e\n\u003ctd\u003eRolling shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBinning\u003c\/th\u003e\n\u003ctd\u003eDigital 1×1 to 8×8\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame buffer\u003c\/th\u003e\n\u003ctd\u003eBuilt in\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eData connection\u003c\/th\u003e\n\u003ctd\u003eUSB 2.0 Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eGuide connection\u003c\/th\u003e\n\u003ctd\u003eST4 autoguider port\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eUSB powered\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCooling\u003c\/th\u003e\n\u003ctd\u003ePassive; no regulated TEC cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical connections\u003c\/th\u003e\n\u003ctd\u003e1.25-inch telescope fitting and CS-mount adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBack focus\u003c\/th\u003e\n\u003ctd\u003e8.5mm; 12.5mm with CS adapter; 17.5mm with C adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOverall dimensions\u003c\/th\u003e\n\u003ctd\u003e37mm diameter × 72.4mm, as specified by ToupTek\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCamera weight\u003c\/th\u003e\n\u003ctd\u003e65.3g\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eSoftware and optical compatibility\u003c\/h2\u003e\n  \u003cp\u003eToupTek lists support for \u003cstrong\u003eToupSky, PHD2, SharpCap and FireCapture\u003c\/strong\u003e through the applicable native, ASCOM or WDM driver interfaces. Available features depend on your operating system, software version and installed driver. Visit \u003ca href=\"https:\/\/www.touptek-astro.com\/\"\u003eToupTek's official website\u003c\/a\u003e for software and driver downloads.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003ePlanning to image in infrared?\u003c\/strong\u003e ToupTek's documentation lists both IR-cut and AR protective-window configurations. Contact us to confirm the supplied configuration before ordering specifically for infrared use.\u003c\/p\u003e\n  \u003cp\u003eCheck that your telescope or guide scope provides sufficient focus travel for the chosen adapter arrangement. Additional lenses and filters are sold separately.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat's included?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eToupTek GPM662C colour camera with CS-mount adapter\u003c\/li\u003e\n    \u003cli\u003e2m USB Type-A to Type-C cable\u003c\/li\u003e\n    \u003cli\u003e2m ST4 guide cable\u003c\/li\u003e\n    \u003cli\u003e1.25-inch nosepiece\u003c\/li\u003e\n    \u003cli\u003e5mm adapter ring\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/touptek-gpm662c-package-contents.jpg?v=1789308688\" alt=\"ToupTek GPM662C standard package with camera, USB cable, ST4 guide cable, nosepiece and adapter ring\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eBuild your setup with Dark Clear Skies\u003c\/h2\u003e\n  \u003cp\u003eWhether you are adding autoguiding to your imaging rig or exploring colour lunar and planetary capture, we can help you check the connections and suitability of the GPM662C for your equipment. \u003cstrong\u003eContact Dark Clear Skies for advice on matching your camera, telescope and guiding setup.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Touptek","offers":[{"title":"Default Title","offer_id":55659953422712,"sku":"GPM662C","price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/1.webp?v=1789308447","url":"https:\/\/www.darkclearskies.co.uk\/products\/gpm662c","provider":"Dark Clear Skies ","version":"1.0","type":"link"}