ZWO ASI 294MM Pro Camera
Best monochrome camera for serious deep-space astrophotographers seeking high-detail imaging.
This monochrome powerhouse is the gold standard for serious deep-space imaging, trading the convenience of color for unmatched sensitivity and detail. Its advanced cooling system effectively silences noise, letting you pull breathtaking, high-contrast structures out of the darkest corners of the night sky.
$1480.00
at
Highpointscientific
More ASI294 options
Who it's for
- Deep-sky imagers capturing faint, distant celestial targets
- Astrophotographers shooting long exposures requiring minimal thermal noise
- Versatile photographers needing flexible resolution and dynamic range
Who should skip it
- Beginners preferring a simple, one-shot color imaging workflow
- Budget-conscious hobbyists avoiding expensive filter and wheel accessories
- Users with limited storage space or older computer hardware
Performance breakdown
Low Light Sensitivity
High quantum efficiency captures faint deep-space details with remarkable clarity.
Thermal Noise Control
Advanced cooling keeps long exposures clean and free of thermal artifacts.
Image Dynamic Range
Fourteen stops of range provide excellent contrast between shadows and highlights.
Sensor Resolution
The 11.7 MP sensor balances high detail with manageable file sizes.
Data Transfer Speed
USB 3.0 interface ensures rapid image downloads for efficient capture sessions.
Build Versatility
Compact design integrates seamlessly into most standard telescope imaging trains.
Key Specs
Sensor Type
Back-illuminated CMOS
Sensor
Sony IMX492
Resolution
11.7 Megapixels
Pixel Size
4.63 µm
ADC
14-bit
Cooling
Two-stage TEC
Full Well Capacity
66,000 e-
Peak QE
90%
Read Noise
1.26e
Sensor Diagonal
23.2 mm
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