ZWO ASI174MM Mini
Best high performance guide camera for serious deep sky astrophotographers.
A compact, high-sensitivity monochrome camera designed specifically for precise autoguiding and planetary imaging. Its large sensor and low read noise make it an essential tool for capturing faint stars and fine details in long-focal-length setups.
$499.00
at
Agena AstroProducts
More ASI071 options
Who it's for
- Astrophotographers seeking reliable tracking in sparse star fields
- Deep sky imagers requiring pinpoint accuracy for long exposures
- Mobile astronomers looking to minimize their equipment footprint
Who should skip it
- Budget-conscious hobbyists who only need basic auto-guiding functionality
- Casual observers wanting a single camera for multiple purposes
- Users with ultra-portable setups requiring high-resolution sampling
Performance breakdown
Guiding Field Coverage
Large sensor size makes finding guide stars effortless in narrow fields.
Low-Light Sensitivity
High quantum efficiency captures faint details with impressive clarity.
Image Noise Control
Low read noise keeps your final captures clean and artifact-free.
Integration Ease
Compact, lightweight form factor fits seamlessly into any existing rig.
Planetary Capture Speed
Decent frame rates suitable for capturing sharp solar system details.
Build Durability
Robust construction handles the rigors of outdoor night-sky imaging.
Key Specs
Sensor
Sony IMX174LLJ / IMX174LQJ
Sensor Size
11.3 mm x 7.1 mm
Resolution
1936 x 1216 pixels
Pixel Size
5.86 µm
ADC
12 bit
Quantum Efficiency (QE) Peak
77%
Readout Noise
3.5e
Max Frame Rate
18.4 FPS
Exposure Range
32µs-300s
Operating Temperature
-5°C to 45°C
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