ZWO ASI585MM The ASI585MM is an uncooled monochrome astronomy camera built around the Sony IMX585. Its 11.2 × 6.3 mm sensor records 3840 × 2160 pixels with 2.9 µm sampling.
Manufacturer model: ZWO ASI585MM · Specifications checked against manufacturer data on 2026-11-03
The ASI585MM is an uncooled monochrome astronomy camera built around the Sony IMX585. Its 11.2 × 6.3 mm sensor records 3840 × 2160 pixels with 2.9 µm sampling.
The manufacturer specifies a 12-bit ADC, 38,700-electron full well, 91% peak quantum efficiency and read noise of As low as 0.7 electrons. Capture speed is 46.9 fps advertised maximum. Smaller regions of interest can increase frame rate; speed depends on ADC mode, output format, exposure and connection.
Monochrome capture supports luminance and filtered imaging. Use suitable external filters to select the wavelength range for lunar, planetary or specialist imaging.
The USB connection supplies power and transfers images. The camera uses a M42 × 0.75 interface, with 6.5 mm bare; 17.5 mm with 11 mm ring sensor spacing. Its 32 × 2 mm AR-coated window protects the sensor. The body is 62 mm in diameter and weighs 126 g. Match optical adapters and any external filter to the required telescope spacing.
ZWO manufacturer documentation
Use the exact named-model manufacturer connection and operating instructions linked with this product. Optional parts and adapters require their specified spacing and power limits.
Data sheet