Astroprices

ASI294MM

ZWO

From $999.00

5 stores

In stock

This monochrome, cooled camera features a 4/3" 11.7MP Sony IMX492 sensor capable of true 4K resolution, ultra-low 1.2e read noise, and an exceptional 90% quantum efficiency. It's configured to operate the sensor in a 'Bin2' mode that delivers an effective pixel size of 4.63 microns and an effective resolution of 11.7 megapixels (4144 x 2822). With a 66,387e full well capacity and dual-stage TEC cooling down to -35–40°C below ambient, it captures incredibly clean, detailed images, even during long exposures. In Bin1 mode, pixels have a 66000e full well capacity, and the camera achieves switchable operation with 2.3 micron pixels. Ideal for high-resolution deep-sky, lunar, and planetary imaging with narrowband filters.

Specifications

Sensor type CMOS
Sensor diagonal 23.2
Sensor pixel size 4.6
Sensor Sony IMX492
Sensor resolution 11.7
Sensor Pixel Size (Bin2) 4.63 μm
Sensor Pixel Size (Bin1) 2.3 μm
Sensor read noise 1.2
Full Well Capacity 66387
Quantum Efficiency Peak 90%
ADC Bit Depth 14
Dynamic Range 13
TEC Cooling 35 °C
USB Interface USB 3.0
Camera Diameter 78 mm
Frame Rate at Full Resolution 16 fps
Camera Weight 410 g
DDR3 Buffer 256
Back-illuminated
Cooled

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