ZWO ASI 662 MC Color Astro Camera – uncooled astrophotography
The ZWO ASI 662 MC Color Astro Camera is a low-noise color camera for high-resolution lunar and planetary 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 IMX662 / ASI 662, it is designed for Moon, planets, infrared imaging, EAA and autoguiding. 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 IMX662 / ASI 662 |
|---|---|
| Camera type | Color |
| Cooling | uncooled, passive heat dissipation |
| Typical applications | Moon, planets, infrared imaging, EAA and autoguiding |
| 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 662 MC combines a sensitive Sony IMX662 sensor with a very high frame rate. Its 2.9 µm pixels, high quantum efficiency and low read noise provide a strong basis for detailed planetary imaging. At higher gain, the HCG mode helps keep read noise low without unnecessarily reducing dynamic range.
Sensor specifications
| Sensor | Sony IMX662 Color CMOS |
|---|---|
| Sensor format | 1/2,8 inch; 5.6 × 3,1 mm |
| Resolution | 1920 × 1080 pixels / 2.07 MP |
| Pixel size | 2.9 µm |
| ADC / read noise | 12 bit / approx. 0.8 e⁻ |
| Quantum efficiency | approx. 91 % |
| Full-well capacity | approx. 38.2 ke⁻ |
| Frame rate | up to 107,6 fps |
| Features | HCG mode und no visible amp glow |
| Connection | USB 3.0 |
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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