ZWO ASI676MM

Name: ZWO ASI676MM
Brand: ZWO

ZWO

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

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Best Current Offer

Cloud Break Optics

In stock

$449.00

Other retailers

High Point Scientific (In stock)
$449.00
ZWO USA (In stock)
$449.00

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.

3.7

across 3 reviews from 2 retailers

Retailer breakdown

Retailer	Rating	Reviews	Source
High Point Scientific	3.0	2	Product page
ZWO USA	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 9/20/2026	View Offer - $449.00
High Point Scientific High Point Scientific	$449.00	In stock Updated 9/19/2026	View Offer - $449.00
ZWO USA ZWO USA	$449.00	In stock Updated 9/20/2026	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