ZWO ASI2600MC Duo
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ZWO ASI2600MC Duo is an APS-C one-shot color astronomy camera for deep-sky imaging with a simpler color workflow.
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Specifications
Sensor
- Sensor model
- Sony IMX571 CMOS
- Color / mono
- Color
- Sensor size
- APS-C (23.5 × 15.7 mm, 28.3 mm diagonal)
- Megapixels
- 26 MP
- Resolution
- 6248 × 4176 (26 MP)
- Sensor diagonal
- 28.3 mm
- Sensor area
- 368.9 mm²
- Pixel size
- 3.76 μm
- Shutter
- Rolling shutter
- ADC
- 16-bit
- Read noise
- 0.9-4.2 e- (1.3 e- @ 10 dB gain)
- Full well
- 73 ke- extended (50 ke- default)
- Peak QE
- ~80% (color)
- Guide Sensor model
- SmartSens SC2210 mono CMOS
- Guide Sensor size
- Type 1/1.8 (7.68 × 4.32 mm, 8.81 mm diagonal)
- Guide Resolution
- 1920 × 1080 (2.07 MP)
- Guide Pixel size
- 4 μm
- Guide Shutter
- Rolling shutter
- Guide ADC
- 12-bit
- Guide Read noise
- 0.6-3.2 e- (1.97 e- @ 10.6 dB gain)
- Guide Full well
- 8.78 ke-
- Guide Peak QE
- 92% at 500 nm
Cooling
- Cooling
- Two-stage TEC, ΔT 30-35 °C below ambient
- Sensor window
- UV/IR cut protective window with anti-dew heater
Mechanical
- Back focus
- 17.5 mm
- Interface
- USB 3.0 Type-B with integrated guide sensor, 512MB DDR3 buffer
- Weight
- 715 g
Sensor / electronics
- Sensor
- Sony IMX571
- Pixel size
- 3.76 um
- Full well
- 50000 e-
- Read noise
- 3.3 e-
- ADC
- 16-bit
- Back focus
- 17.5 mm
Specifications
- Weight
- 1.5 pounds
Astrophotography Fit
A cooled one-shot color camera best used where its sensor size and workflow match the telescope and calibration plan.
ZWO ASI2600MC Duo is a flagship one-shot color camera aimed at deep-sky imaging with a simpler color workflow. Sensor format: APS-C (23.5 × 15.7 mm, 28.3 mm diagonal). Pixel size: 3.76 μm.
As a color camera, it keeps the capture workflow simpler than a mono rig. It works especially well when you want one camera for broadband targets plus a dual-band filter for emission nebulae under light pollution.
The Duo layout simplifies guiding by putting a guide sensor in the camera body, reducing cables and back-focus stack length; it still needs enough guide stars and a compatible optical train.
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
- Corrected refractors, RASA/HyperStar-style systems, or other well-matched astrographs
- UV/IR-cut and dual-band nebula filters for one-shot color imaging
- Reliable GoTo mount, autofocus, and dark/flat calibration workflow
Not recommended for
- Imagers committed to full SHO/LRGB mono workflows
- Optical tubes with corrected image circles smaller than the camera sensor
- Very casual visual-only users who do not plan to process image data
Retailer Rating
Ratings aggregated from public retailer data.
Retailer breakdown
| Retailer | Rating | Reviews | Source |
|---|---|---|---|
| Agena AstroProducts | 4.9 | 32 | Product page |
| High Point Scientific | 4.7 | 6 | 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 |
|---|---|---|---|
| Agena AstroProducts Agena AstroProducts | $1,619.00 | In stock Updated 9/19/2026 | View Offer - $1,619.00 |
| Astronomics Astronomics | $1,799.00 | In stock Updated 9/20/2026 | View Offer - $1,799.00 |
| Cloud Break Optics Cloud Break Optics | $1,799.00 | In stock Updated 9/20/2026 | View Offer - $1,799.00 |
| High Point Scientific High Point Scientific | $1,799.00 | In stock Updated 9/19/2026 | View Offer - $1,799.00 |
| Mile High Astronomy Mile High Astronomy | $1,799.00 | In stock Updated 9/20/2026 | View Offer - $1,799.00 |
| Starizona Starizona | $1,799.00 | In stock Updated 9/20/2026 | View Offer - $1,799.00 |
| Telescopes.net Telescopes.net | $1,799.00 | In stock Updated 9/19/2026 | View Offer - $1,799.00 |
| ZWO USA ZWO USA | $1,799.00 | In stock Updated 9/20/2026 | View Offer - $1,799.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.