ZWO ASI678MM
ZWO
ZWO ASI678MM is a small-sensor monochrome astronomy camera for planetary, lunar, and solar capture.
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Specifications
Sensor
- Sensor model
- Sony IMX678 CMOS
- Color / mono
- Monochrome
- Sensor size
- 1/1.8-inch format
- Megapixels
- 8.29 MP
- Resolution
- 3840 x 2160 (8.29 MP)
- Pixel size
- 2.0 µm
- ADC
- 12-bit
Mechanical
- Interface
- USB 3.0
- Buffer
- 256 MB DDR3
Specifications
- Cooling
- Uncooled
- Peak QE
- 83%
Astrophotography Fit
A focused monochrome camera for high-frame-rate planetary, lunar, and solar imaging.
ZWO ASI678MM 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 | 2 | 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 |
|---|---|---|---|
| Astronomics Astronomics | $399.00 | In stock Updated 5/13/2026 | View Offer - $399.00 |
| Cloud Break Optics Cloud Break Optics | $399.00 | In stock Updated 5/10/2026 | View Offer - $399.00 |
| High Point Scientific High Point Scientific | $399.00 | In stock Updated 5/14/2026 | View Offer - $399.00 |
| Mile High Astronomy Mile High Astronomy | $399.00 | In stock Updated 5/14/2026 | View Offer - $399.00 |
| ZWO USA ZWO USA | $399.00 | In stock Updated 5/15/2026 | View Offer - $399.00 |
| Starizona Starizona | $399.00 | Out of stock Updated 5/10/2026 | View Offer - $399.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.