Gear Database

ZWO ASI676MM

ZWO

ZWO ASI676MM is a small-sensor monochrome astronomy camera for planetary, lunar, and solar capture.

camera $$
ZWO ASI676MM

Best Current Offer

Cloud Break Optics logo
Cloud Break Optics
In stock
$449.00

Other retailers

Specifications

Sensor

Sensor model
Sony IMX676 CMOS
Color / mono
Monochrome
Sensor size
1/1.6-inch (7.104 x 7.104 mm, 10.05 mm diagonal)
Megapixels
12.6 MP
Resolution
3552 x 3552 (12.6 MP)
Sensor diagonal
10.05 mm
Sensor area
50.5 mm²
Pixel size
2.0 µm
ADC
12-bit

Mechanical

Interface
USB 3.0
Buffer
256MB DDR3

Specifications

Cooling
Uncooled
Full well
10.55 ke-
Peak QE
83%

Sensor / electronics

Read noise
0.56 e-

Astrophotography Fit

A focused monochrome camera for high-frame-rate planetary, lunar, and solar imaging.

ZWO ASI676MM 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.

5.0
across 1 reviews from 1 retailers
Retailer breakdown
RetailerRatingReviewsSource
ZWO USA5.01 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 logo
Cloud Break Optics
Cloud Break Optics
$449.00
In stock
Updated 5/10/2026
View Offer - $449.00
High Point Scientific logo
High Point Scientific
High Point Scientific
$449.00
In stock
Updated 5/14/2026
View Offer - $449.00
ZWO USA logo
ZWO USA
ZWO USA
$449.00
In stock
Updated 5/15/2026
View Offer - $449.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Cloud Break Optics High Point Scientific ZWO USA
$549.00 $514.00 $479.00 $444.00 May 9, 2026 May 12, 2026 May 15, 2026 Cloud Break Optics - $449.00 - May 9, 2026 - In stock Cloud Break Optics - $449.00 - May 10, 2026 - In stock High Point Scientific - $449.00 - May 10, 2026 - In stock High Point Scientific - $449.00 - May 14, 2026 - In stock ZWO USA - $449.00 - May 9, 2026 - In stock ZWO USA - $449.00 - May 10, 2026 - In stock ZWO USA - $449.00 - May 11, 2026 - In stock ZWO USA - $449.00 - May 12, 2026 - In stock ZWO USA - $449.00 - May 13, 2026 - In stock ZWO USA - $449.00 - May 14, 2026 - In stock ZWO USA - $449.00 - May 15, 2026 - In stock