ZWO ASI183MM Pro
ZWO
ZWO ASI183MM Pro is a small-pixel one-inch class monochrome astronomy camera for LRGB and narrowband deep-sky imaging.
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Specifications
Sensor
- Sensor model
- Sony IMX183CLK-J CMOS
- Color / mono
- Monochrome
- Sensor size
- 1-inch format
- Megapixels
- 20 MP
- Resolution
- 5496 x 3672 (20 MP)
- Pixel size
- 2.4 µm
- ADC
- 12-bit
- Read noise
- 1.6 e- at high gain
- Full well
- 15 ke
- Peak QE
- 84%
Cooling
- Cooling
- Two-stage TEC cooling, ΔT up to 40-45 °C below ambient
Mechanical
- Interface
- USB 3.0
- Buffer
- DDR3 memory buffer
- Back focus
- ASI183MM Pro (mono) ASI183MC Pro (color) Read more: The be
Astrophotography Fit
A cooled monochrome camera best used where its sensor size and workflow match the telescope and calibration plan.
ZWO ASI183MM Pro is a midrange monochrome camera aimed at LRGB and narrowband deep-sky imaging.
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.
Match the camera to the telescope before buying: sensor size controls framing, pixel size controls sampling, and cooling only pays off when you also shoot darks and flats. If the scope cannot illuminate the sensor cleanly, a smaller camera can produce better data than a bigger one.
Best paired with
- Electronic filter wheel sized for the sensor and back-focus budget
- LRGB plus Ha, OIII, and SII filters matched to the sky conditions
- Guided refractors or corrected astrographs with a clean calibration-frame library
Not recommended for
- First-time imagers who want a simple one-shot color workflow
- Rigs without budget or back focus for a filter wheel and filters
- Casual sessions where darks, flats, and repeatable gain settings are unlikely
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 | $899.00 | In stock Updated 8/5/2026 | View Offer - $899.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.