ZWO ASI 676 MC Color Astro Camera – uncooled astrophotography
The ZWO ASI 676 MC Color Astro Camera is a square color camera with a Starvis 2 sensor for versatile imaging. It is a good choice whenever high frame rates, a steady image and straightforward operation are more important than active cooling.
What is this camera suited for?
With its Sony IMX676 / ASI 676, it is designed for meteors, all-sky imaging, Moon and planets. The uncooled design keeps the camera compact and quick to set up. For long deep-sky exposures, a cooled camera is usually preferable; for the Moon, planets, guiding and many EAA applications, this model is especially practical.
Key features
| Series / sensor | Sony IMX676 / ASI 676 |
|---|---|
| Camera type | Color |
| Cooling | uncooled, passive heat dissipation |
| Typical applications | meteors, all-sky imaging, Moon and planets |
| Connection | USB camera with autoguider/ST4 support depending on model |
The camera works with the relevant ZWO software and common capture applications. For solar imaging, use it only with a suitable solar filter mounted in front of the telescope.
CMOS sensor in detail
The ASI 676 MC stands out with its square Sony IMX676 sensor. The 1/1.6-inch format with 3552 × 3552 pixels makes composition easier for all-sky imaging, meteor recording and later mosaics. STARVIS 2 technology provides high sensitivity and strong low-light performance. The color version features a UV/IR-cut window.
Sensor specifications
| Sensor | Sony IMX676 Color CMOS, STARVIS 2 |
|---|---|
| Sensor format | 1/1.6 inch; square, 7.1 × 7.1 mm |
| Resolution | 3552 × 3552 pixels / 12.61 MP |
| Pixel size | 2 µm |
| ADC / read noise | 12 bit / from approx. 0.56 e⁻ |
| Quantum efficiency | approx. 83 % |
| Full-well capacity | approx. 10.55 ke⁻ |
| Frame rate | up to 31.2 fps |
| Features | HCG mode und no visible amp glow |
| Protective window | UV/IR-cut window |
These figures help when choosing the right focal length and imaging method. Especially with small pixels, the actual level of detail depends on the combination of telescope, seeing and image scale. For solar imaging, always use a suitable solar filter mounted in front of the telescope.
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