ZWO ASI585MM
ZWO
ZWO ASI585MM is a small-sensor monochrome astronomy camera for planetary, lunar, and solar capture.
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Specifications
Sensor
- Sensor model
- Sony IMX585 mono CMOS
- Color / mono
- Monochrome
- Sensor size
- Type 1/1.2 (11.2 x 6.3 mm)
- Megapixels
- 8.29 MP
- Resolution
- 3840 x 2160 (8.29 MP)
- Sensor diagonal
- 12.85 mm
- Sensor area
- 70.6 mm²
- Pixel size
- 2.9 µm
- ADC
- 12-bit
- Full well
- 47 ke
- Peak QE
- 91%
Specifications
- Weight
- 126 g
- Cooling
- Uncooled
- Read noise
- 0.7 e⁻ (HCG mode)
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 ASI585MM 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
Retailer Rating
Ratings aggregated from public retailer data.
Retailer breakdown
| Retailer | Rating | Reviews | Source |
|---|---|---|---|
| High Point Scientific | 5.0 | 1 | Product page |
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 |
|---|---|---|---|
| Cloud Break Optics Cloud Break Optics | $449.00 | In stock Updated 8/4/2026 | View Offer - $449.00 |
| High Point Scientific High Point Scientific | $449.00 | In stock Updated 8/4/2026 | View Offer - $449.00 |
| Mile High Astronomy Mile High Astronomy | $449.00 | In stock Updated 8/4/2026 | View Offer - $449.00 |
| Telescopes.net Telescopes.net | $449.00 | In stock Updated 8/5/2026 | View Offer - $449.00 |
| ZWO USA ZWO USA | $449.00 | In stock Updated 8/5/2026 | View Offer - $449.00 |
| Astronomics Astronomics | $449.10 | In stock Updated 8/5/2026 | View Offer - $449.10 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.