ZWO ASI294MC The ASI294MC is an uncooled colour astronomy camera built around the Sony IMX294. Its 19.1 × 13 mm sensor records 4144 × 2822 pixels with 4.63 µm sampling.
Manufacturer model: ZWO ASI294MC · Specifications checked against manufacturer data on 2026-11-03
The ASI294MC is an uncooled colour astronomy camera built around the Sony IMX294. Its 19.1 × 13 mm sensor records 4144 × 2822 pixels with 4.63 µm sampling.
Imaging performance
The manufacturer specifies a 14-bit ADC, 63,700-electron full well, 90% peak quantum efficiency and read noise of As low as 1.2 electrons. Capture speed is 19 fps at 12-bit; 16.3 fps at 14-bit. Smaller regions of interest can increase frame rate; speed depends on ADC mode, output format, exposure and connection.
Applications
One-shot colour capture records colour during a single imaging sequence. High-speed video allows short exposures and frame selection for lunar and planetary imaging.
Connections and spacing
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 AR-coated window protects the sensor. The body is 62 mm in diameter and weighs 140 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.
Additional specifications
Unlocked bin1
Not applicable
Bin2
Not applicable
56121
Technische Daten
ADC (Bit)
14
Gehäusedurchmesser (mm)
62
Kameragewinde
M42 × 0.75
Farbmodus
Colour
Gekühlt
No
Belichtungsbereich
32 µs–2000 s
Full Well (e⁻)
63700
Schnittstelle
USB 3.0; USB 2.0 compatible
Maximale Bildrate
19 fps at 12-bit; 16.3 fps at 14-bit
Max. QE (%)
90
Pixelgröße (µm)
4.63
Stromversorgung
USB powered
Schutzfenster
AR-coated window
Ausleserauschen (e⁻)
As low as 1.2
Auflösung (px)
4144 × 2822
Sensor
Sony IMX294
Sensor-Backfokus
6.5 mm bare; 17.5 mm with 11 mm ring
Sensorabmessungen (mm)
19.1 × 13
Verschluss
Rolling shutter
Software
Windows; Linux; macOS with compatible ZWO drivers/software
ST4-Guiding-Port
Yes
Gewicht (g)
140
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ZWO ASI294MC The ASI294MC is an uncooled colour astronomy camera built around the Sony IMX294. Its 19.1 × 13 mm sensor records 4144 × 2822 pixels with 4.63 µm sampling.
Manufacturer model: ZWO ASI294MC · Specifications checked against manufacturer data on 2026-11-03
