ZWO ASI482MC [COLOUR]

The ZWO ASI 482MC is a professional colour planetary camera containing the Sony STARVIS IMX482 CMOS backlit colour sensor which has a large diagonal of 1/1.2" and a resolution of 2.07 MPx. The sensor is similar to the ASI462 but four times bigger and with much bigger 5.8µm pixels.

The sensor has a maximum QE up to 85% at 530nm. This extremely high sensitivity across the visible light spectrum, very low readout noise and large full-well depth of 51.5ke- make it ideal for planetary and solar imaging.

The USB 3.0 Port provides 5Gbps bandwidth and lets the camera run at 57.5fps (12bit, normal mode) or 82.5fps (10bit, high speed mode) at full resolution (8.2 Megapixels). Frame rate can be limited by the power of the computer and the writing speed of your hard disk. For higher performance it is suggested to use Solid State Drives. 

The ASI482MC has a HCG mode which effectively reduces readout noise at high gain settings while preserving the same wide dynamic range that you would get at low gain. From 80 gain and higher, HCG mode will automatically activate, giving a read noise as low as 1.5e- with a dynamic range close to 12 stops.

Sony is introducing SNR1s [lx] as an index used to quantitatively evaluate picture quality at low illumination. SNR1s [lx] is an acronym consisting of “SNR” (Signal-to-Noise Ratio), “1” (represents that the signal level when noise = 1 is 1), and “s” (for Security). The lower this value is, the greater the image quality will be at low illumination. The 5.8um large pixel size allows unprecedentedly low SNR1s value of 0.08lx for ASI482MC.

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