Back-illuminated CMOS Image Sensor with 14bit ADC
ASI178MM has a 1/1.8″ and 6.4M pixels sensor IMX178 with SONY STARVIS and Exmor R Technology.
Extremely low read noise(2.2e -1.4e) , high sensitivity and 14bit ADC make it very suitable for astronomy and microscopy photograph
The ZWO ASI178MM Astronomy Camera has a Back-illuminated CMOS Image Sensor with 14bit ADC.
ASI178MM has a 1/1.8″ and 6.4M pixels sensor IMX178 with SONY STARVIS and Exmor R Technology.
With extremely low read noise(1.4e-2.2 e) , 1.4e @27db, high sensitivity and 14bit ADC make it very suitable for astronomy and microscopy high resolution photograph.
Come with a 2.5mm all sky lens which can provide a nearly 170° view of the sky.
USB 3.0 Port: can provide 5Gb bandwidth to let ASI178 run at 30 fps (14bit, normal mode) or 60 fps (10bit, high speed mode) at full resolution(6.4Mega).
ST4 Port: can be used connect with auto guide port of mount, for guiding.
Whats in the box;

Absolute QE Curve

ZWO ASI 178MM Camera Specifications
Sensor |
1/1.8” CMOS IMX178 |
Resolution |
6.4 Mega Pixels 3096 x 2080 |
Pixel Size |
2.4µm |
Sensor Size |
7.4mm x 5mm |
Diagonal |
8.92mm |
Exposure Range |
32µs-1000s |
ROI |
Supported |
ST4 Guider Port |
Yes |
Focus Distance to Sensor |
12.5mm |
Shutter Type |
Rolling |
Protection Window |
AR Window |
Operating System Compatibility |
Mac, Windows, Linux |
Interface |
USB3.0/USB2.0 |
Bit rate |
14bit output(14bit ADC) |
Adaptor |
2″ / 1.25″ / M42X0.75 |
Dimension |
φ62mm X 36mm |
Weight |
120g or 4.2 ounces (without lens) |
Working Temperature |
-5°C to -45°C |
Storage Temperature |
-20°C – 60°C |
Working Relative Humidity |
20% – 80% |
Storage Relative Humidity |
20% – 95% |