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Main pageCatalogueAstrophotographyZWO astronomy productsZWO ASI676MM USB3.0 Monochrome Astro Camera - Sensor D=10.05 mm, 2.00 µm pixels
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ZWO ASI676MM USB3.0 Monochrome Astro Camera - Sensor D=10.05 mm, 2.00 µm pixels
The all-sky camera offers a very high resolution and is particularly suitable for meteor photography.
Sensor: 1/1.6" CMOS IMX676 with 12.6 megapixel resolution Sensor size: 7.1 mm x 7.1 mm - diagonal: 10.05 mm Very high resolution: 2.0 µm pixel size SONY STARVIS 2 technology - back illuminated pixel technology With approx. 83 % QE a high sensitivity for short exposure times USB 3.0 for fast image download Very low readout noise (from 0.56 e-) Already suitable for EAA due to frame rate of 31.2 fps 12 bit ADC No more amplifier glow detectable Passive cooling with heat dissipation to prevent the sensor from heating up during long exposures Good suitability for meteor and other all-sky images Sun and moon are completely shown up to approx. 710 mm focal length Wide field lens (detachable) included in scope of delivery AR-coated glass as protective entry window, ensuring optimal light utilization ST4-level autoguiding interface included
Introducing the ASI676MM, the all-sky camera featuring a unique square 1/1.6-inch image sensor and a super high resolution of 12MP!
It is perfectly suited for meteor recording and full sky surveillance. The square format facilitates easier composition, making mosaic stitch simpler and more efficient, and the high resolution brings you clear details of the Sun and our Moon. With this camera, you may start your marvelous journey to explore the boundless night sky.
Why Square Format?
One of the biggest benefits of ASI676MM´s square format is it makes the whole mosaic construction process much easier by eliminating the need to consider the difference between the long and wide sides of the format during mosaic stitching.
Not only that, the square format also makes the ASI676MM more compatible with various types of lenses such as fisheye lenses and wide-angle lenses. Thus, ASI676MM is more suitable for tasks such as meteor recording and full sky surveillance.
Fields of application:
This camera is equipped with a modern 1/1.6" sensor with 3552*3552 pixels. In addition to the modern Starvis 2 technology (with back illumination), the IMX676 offers an extremely smooth image without amplifier glow (amp glow), but above all impresses with its very high resolution (2.0 µm pixels) and relatively high frame rate. We recommend the camera, among others, for:Meteor photography General all-sky photography Detailed planetary photography Entire moon up to approx. 710 mm focal length Lunar surface details Entire sun up to approx. 710 mm focal length (with suitable filter!) Sun details (with suitable filter!) Use as an autoguiding camera (autoguiding port is available) EAA (electronically assisted astronomy) for planets, moon and sun
Lunar and planetary photography:
Thanks to the fine 2.0 µm pixels, you can achieve a very high resolution from f/8, which makes the use of Barlow and converter systems superfluous.
EAA (electronically assisted astronomy):
The high resolution, combined with a sufficient frame rate of 31 fps at full resolution, allows real-time observation of planets as well as details on the moon and sun. Simply observe together in a group - without having to wait until everyone has had their turn!
Use as autoguider:
The ASI676MM is a lightweight with only 126 grams. It hardly loads the focuser. Of course, the camera offers the ST-4 autoguiding interface. A 2 metres long autoguiding cable is also included.
AR.coated clear glass window protects the sensor from dust:
The window prevents dust from entering the sensor, but allows all light to pass through, enabling the capture of fainter meteors.
Air cooling - reduces sensor temperature:
The sensor heats up during the exposures. The PCS dissipates heat from the sensor via a heat conducting pad. The sensor temperature is thus reduced by up to 15 degrees Celsius compared to cameras without PCS.
High sensitivity for short exposure times:
One advantage of the back-illuminated CMOS sensor is the reduced readout noise and improved sensitivity. In particular, Sony uses STARVIS-2 technology for the IMX676 sensor, which provides excellent low-light visibility. You can achieve a very high light output in astro imaging and realize high image quality. In addition, the low readout noise ensures a wider dynamic range.
The ASI676MM is not only ideal for use as a meteor and general all-sky camera, but also allows planetary and detailed images of the sun and moon, even in a live stream. When observing the sun, the use of narrow-band or even line filters is possible, as all pixels are sensitive. Monitoring of weather conditions is also possible.
The low noise and the anti-ampglow circuitry make this not! Peltier-cooled camera interesting for capturing deep-sky objects such as faint nebulae, star clusters and galaxies.
The HCG mode:
The camera has a built-in HCG mode that can effectively reduce readout noise at high gain while maintaining the same wide dynamic range you would expect at low gain. When the gain is 180, the HCG mode turns on automatically. This results in the readout noise dropping below 1.0 e-, while the dynamic range can again reach almost 11 f-stops.
Downloads, drivers:
ZWO provides software and drivers online for free download:
Software and drivers for all ZWO cameras
ASI camera Adapter T2 to CS mount (mounted) Wide field lens (mounted) 1.25" cover ST4 cable Adapter T2 (M42x0.75) to 1.25" receptacle Quick guide (in English) USB3.0 cable
Introducing the ASI676MM, the all-sky camera featuring a unique square 1/1.6-inch image sensor and a super high resolution of 12MP!
It is perfectly suited for meteor recording and full sky surveillance. The square format facilitates easier composition, making mosaic stitch simpler and more efficient, and the high resolution brings you clear details of the Sun and our Moon. With this camera, you may start your marvelous journey to explore the boundless night sky.
Why Square Format?
One of the biggest benefits of ASI676MM´s square format is it makes the whole mosaic construction process much easier by eliminating the need to consider the difference between the long and wide sides of the format during mosaic stitching.
Not only that, the square format also makes the ASI676MM more compatible with various types of lenses such as fisheye lenses and wide-angle lenses. Thus, ASI676MM is more suitable for tasks such as meteor recording and full sky surveillance.
Fields of application:
This camera is equipped with a modern 1/1.6" sensor with 3552*3552 pixels. In addition to the modern Starvis 2 technology (with back illumination), the IMX676 offers an extremely smooth image without amplifier glow (amp glow), but above all impresses with its very high resolution (2.0 µm pixels) and relatively high frame rate. We recommend the camera, among others, for:
Lunar and planetary photography:
Thanks to the fine 2.0 µm pixels, you can achieve a very high resolution from f/8, which makes the use of Barlow and converter systems superfluous.
EAA (electronically assisted astronomy):
The high resolution, combined with a sufficient frame rate of 31 fps at full resolution, allows real-time observation of planets as well as details on the moon and sun. Simply observe together in a group - without having to wait until everyone has had their turn!
Use as autoguider:
The ASI676MM is a lightweight with only 126 grams. It hardly loads the focuser. Of course, the camera offers the ST-4 autoguiding interface. A 2 metres long autoguiding cable is also included.
AR.coated clear glass window protects the sensor from dust:
The window prevents dust from entering the sensor, but allows all light to pass through, enabling the capture of fainter meteors.
Air cooling - reduces sensor temperature:
The sensor heats up during the exposures. The PCS dissipates heat from the sensor via a heat conducting pad. The sensor temperature is thus reduced by up to 15 degrees Celsius compared to cameras without PCS.
High sensitivity for short exposure times:
One advantage of the back-illuminated CMOS sensor is the reduced readout noise and improved sensitivity. In particular, Sony uses STARVIS-2 technology for the IMX676 sensor, which provides excellent low-light visibility. You can achieve a very high light output in astro imaging and realize high image quality. In addition, the low readout noise ensures a wider dynamic range.
The ASI676MM is not only ideal for use as a meteor and general all-sky camera, but also allows planetary and detailed images of the sun and moon, even in a live stream. When observing the sun, the use of narrow-band or even line filters is possible, as all pixels are sensitive. Monitoring of weather conditions is also possible.
The low noise and the anti-ampglow circuitry make this not! Peltier-cooled camera interesting for capturing deep-sky objects such as faint nebulae, star clusters and galaxies.
The HCG mode:
The camera has a built-in HCG mode that can effectively reduce readout noise at high gain while maintaining the same wide dynamic range you would expect at low gain. When the gain is 180, the HCG mode turns on automatically. This results in the readout noise dropping below 1.0 e-, while the dynamic range can again reach almost 11 f-stops.
Downloads, drivers:
ZWO provides software and drivers online for free download:
Software and drivers for all ZWO cameras
| Sensor: | Sony IMX676 1/1.6" CMOS monochrome sensor |
| Resolution: | 3552*3552 pixels, 12.6 megapixels |
| Pixel size: | 2.0 µm |
| Sensor size: | 7.1 mm x 7.1 mm |
| Diagonal: | 10.05 mm (1/1.8" form factor) |
| Frame rate: | up to 31.2 fps at 10 bit |
| Exposure time: | from 32 µs - 2000 s |
| ROI: | Supported |
| ST4 autoguider port: | Yes |
| Distance from T2 thread to sensor: | 12.5 mm |
| Shutter type: | Rolling shutter |
| Protective window: | AR-coated glass |
| Connection: | USB3.0/USB2.0 |
| QE: | ~83 % |
| Full well: | 10.55 ke- |
| Anti-ampglow circuit: | Yes |
| Readout noise: | from approx. 0.56 e- |
| Bit resolution: | 12 bit ADC |
| Memory: | 256 MB DDR3 |
| Telescope connection: | M42x0.75 / 2" / 1.25" (via adapter) |
| Tripod thread: | 1/4" on the back |
| Dimensions: | D 62 mm x 37.1 mm (without lens) |
| System requirements: | USB 3.0 should be supported by the operating system - from Windows 8, Mac OS X 10.8, Linux Kernel 2.6.31 (from Ubuntu 16.04) |
| Weight: | approx. 126 g |
This Product was added to our catalogue on 17/03/2026.
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