ZWO ASI174MM
ZWO
ZWO ASI174MM is a small-sensor monochrome astronomy camera for planetary, lunar, and solar capture.
Best Current Offer
Specifications
Sensor
- Sensor model
- Sony IMX174 CMOS
- Color / mono
- Monochrome
- Sensor size
- 1/1.2-inch (11.3 mm diagonal)
- Megapixels
- 2.3 MP
- Resolution
- 1936 x 1216 (2.3 MP)
- Sensor diagonal
- 11.3 mm
- Pixel size
- 5.86 µm
- ADC
- 12-bit
- Full well
- 32 ke
Mechanical
- Interface
- USB 3.0
- Back focus
- 6.5 mm / 17.5 mm
Astrophotography Fit
A focused monochrome camera for high-frame-rate planetary, lunar, and solar imaging.
ZWO ASI174MM is a midrange monochrome camera aimed at planetary, lunar, and solar capture.
As a mono camera, it becomes a system only after you add a filter wheel, LRGB filters, and narrowband filters. The payoff is stronger control over signal, star color, and emission-line contrast, but the setup asks for calibration discipline.
For high-frame-rate work, pair it with a long focal length telescope, an ADC when planets are low, and capture software that can record short exposures quickly. It is less satisfying as the only deep-sky camera unless the target scale and sensor size make sense.
Best paired with
- SCTs, Maksutovs, or long refractors used at high effective focal length
- Atmospheric dispersion corrector and IR-pass or methane filters where appropriate
- High-frame-rate capture software with careful focusing and collimation
Not recommended for
- Wide-field deep-sky imaging as the primary camera
- Users expecting large nebula framing from a small planetary sensor
- Poorly collimated long focal length scopes where resolution is already limited
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| ZWO USA ZWO USA | $539.00 | In stock Updated 8/5/2026 | View Offer - $539.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.