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
Fiche technique
CAN (bits)
14
Diamètre du boîtier (mm)
62
Filetage caméra
M42 × 0.75
Mode couleur
Colour
Refroidie
No
Plage d'exposition
32 µs–2000 s
Capacité de puits (e⁻)
63700
Interface
USB 3.0; USB 2.0 compatible
Cadence maximale
19 fps at 12-bit; 16.3 fps at 14-bit
QE max. (%)
90
Taille des pixels (µm)
4.63
Alimentation
USB powered
Fenêtre de protection
AR-coated window
Bruit de lecture (e⁻)
As low as 1.2
Résolution (px)
4144 × 2822
Capteur
Sony IMX294
Backfocus du capteur
6.5 mm bare; 17.5 mm with 11 mm ring
Dimensions du capteur (mm)
19.1 × 13
Obturateur
Rolling shutter
Logiciel
Windows; Linux; macOS with compatible ZWO drivers/software
Port de guidage ST4
Yes
Poids (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
