ZWO ASI2600MC Duo Camera: Main Camera and Guider in One Housing
The ASI2600MC Duo elegantly solves a classic problem: guiding without a separate guide camera, guidescope, or off-axis guider. Behind the same window as the 26-megapixel Sony IMX571 main sensor is a second, sensitive SC2210 guide sensor. Both look through the same optics, so flexure between the guider and camera simply doesn't exist.
The main sensor is the well-known top-of-the-line APS-C model: 16-bit readout, 14 stops of dynamic range, quantum efficiency exceeding 91%, and completely free of amplifier glow. The two-stage TEC cooling system operates at up to 35 degrees Celsius below ambient temperature, with built-in anti-condensation heating.






Guidance without additional hardware
The SC2210 guide scope (1920 x 1080, 4-micrometer pixels, strong in near-infrared) also finds guide stars through narrowband filters. Control is simply via ASIAIR, PHD2, or NINA.
Fewer parts mean fewer cables, less weight on the focuser, and fewer sources of error in the field.

The 2600 quality
With 6248 x 4176 pixels of 3.76 micrometers on APS-C format, a full well of 50,000 electrons (80,000 in extended mode), and readout noise starting at 1.0 electron, the main sensor delivers deep, clean stacks.
The 512 MB DDR3 buffer memory and USB 3.0 keep long sequences stable; the M54 connector fits modern field correctors.
Featured accessories
- ZWO Power Supply 12V/5A: required for cooling
- ZWO Filters Duo-Band 2 inch: Emission Nebulae Under Light Polluted Skies
- ZWO Filter Holder 2 Inch Filter Drawer: Filter swaps without a filter wheel
- ZWO Verwarmingsring voor gekoelde ASI-camera’s: condensvrij in vochtige nachten
For whom yes, for whom no
Hello deep-sky photographers who want to simplify their setup without sacrificing proven 2600 image quality.
Not whoever wants the computer integrated too; that's exactly the difference with the ASI2600MC Air.
Specifications
| Image sensor | Sony IMX571 CMOS, color, back-illuminated (APS-C, 23.5 x 15.7 mm) |
| Resolution | 6248 x 4176 (26 MP) |
| Pixel size | 3.76 micrometers |
| Bit depth | 16-bit, 14-stop dynamic range |
| Quantum efficiency | more than 91% |
| Full well capacity | 50,000 electrons (80,000 extended) |
| Readout noise | from 1.0 electron |
| Amplifier glow | no |
| Guide sensor | SC2210 (1920 x 1080, 4 micrometer) |
| Cooling | tweetraps TEC, up to 35 degrees below ambient |
| Anti-condensation | 5 W window heating |
| Buffer | 512 MB DDR3 |
| Frame rate | 15 fps (RAW8) |
| Connection | M54, USB 3.0 |
| Dimensions and weight | 90 x 97 mm, 800 g (28 oz) |
| Nutrition | 12 volt, 3 A |
The ASI2600MC Duo is the smart middle ground in the 2600 series from ZWOAll the image quality, half the hardware.













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