ZWO ASI678MM The ASI678MM is an uncooled monochrome astronomy camera built around the Sony IMX678. Its 7.7 × 4.3 mm sensor records 3840 × 2160 pixels with 2 µm sampling.
Manufacturer model: ZWO ASI678MM · Specifications checked against manufacturer data on 2026-11-03
The ASI678MM is an uncooled monochrome astronomy camera built around the Sony IMX678. Its 7.7 × 4.3 mm sensor records 3840 × 2160 pixels with 2 µm sampling.
Imaging performance
The manufacturer specifies a 12-bit ADC, 11,270-electron full well, 83% peak quantum efficiency and read noise of As low as 0.6 electrons. Capture speed is 47.5 fps advertised maximum. Smaller regions of interest can increase frame rate; speed depends on ADC mode, output format, exposure and connection.
Applications
Monochrome capture supports luminance and filtered imaging. Use suitable external filters to select the wavelength range for lunar, planetary or specialist imaging.
Connections and spacing
The USB connection supplies power and transfers images. The camera uses a M42 × 0.75 interface, with 12.5 mm sensor spacing. Its AR-coated protective 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.
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.
83200
Datasheet
ADC (bits)
12
Amp glow
Zero amp glow
Behuizingsdiameter (mm)
62
Cameraschroefdraad
M42 × 0.75
Kleurmodus
Monochrome
Gekoeld
No
Belichtingsbereik
32 µs–2000 s
Full well (e⁻)
11270
Interface
USB 3.0; USB 2.0 compatible
Maximale beeldsnelheid
47.5 fps advertised maximum
Piek-QE (%)
83
Pixelgrootte (µm)
2
Voeding
USB powered
Beschermvenster
AR-coated protective window
Uitleesruis (e⁻)
As low as 0.6
Resolutie (px)
3840 × 2160
Sensor
Sony IMX678
Backfocus sensor
12.5 mm
Sensorafmetingen (mm)
7.7 × 4.3
Sluiter
Rolling shutter
Software
Windows; Linux; macOS with compatible ZWO drivers/software
ST4-guidepoort
Yes
Gewicht (g)
126
Dit product gebruikt? Deel je ervaring met andere astronomen.
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ZWO ASI678MM The ASI678MM is an uncooled monochrome astronomy camera built around the Sony IMX678. Its 7.7 × 4.3 mm sensor records 3840 × 2160 pixels with 2 µm sampling.
Manufacturer model: ZWO ASI678MM · Specifications checked against manufacturer data on 2026-11-03
