ASI290MM Mini camera integrates Sony IMX290 1/3″ sensor (5.6 mm x 3.2 mm). It is ZWO first mini camera. This camera has 1936 x 1096 pixels. The pixel size is 2.9 μm x 2.9 μm. This camera provides 12bit ADC and its QE peak is over 80%.
ASI290 mini camera offers you very good performance for planetary imaging and guiding. Low read noise, high dynamic range, QE peak >80%, AR protective window and much more.
Compared with ASI290MM camera, 290mini have smaller outlook, lighter weight, and it can reach focus at same position with e
USB 2.0 Port: Mini camera has one USB2.0 type C port. Type C port is very popular in mobile phones, it will not care about positive side and negetive side of the adapter.
ST4 Port: Can connect mini camera direct connect to auto guide port of mount.yepiece.
ASI290 mini is designed for precisely guiding. 2.9um pixel size can give you a higher arcsec/pixel than 224 or 120 camera. Which means in same guide scope, 290mini can detective slighter movement of stars. ASI290 mini can improve about 30% guide precision than 120mm.
ASI mini camera can focus at same position as eyepiece. You can focus with a eyepiece, and put ASI mini camera into 1.25″ holder.
Mini camera is very suitable for OAG, it can have much biger focus range than normal ASI cameras. Never to worry about that guide camera can not focus with main camera at same time.
Sensor: 1/2.8″ CMOS IMX290/IMX291
Resolution: 2.1Mega Pixels 1936×1096
Pixel Size: 2.9µm
Exposure Range: 32µs-2000s
ST4 Guider Port: Yes
Focus Distance to Sensor: 8.5mm
Shutter Type: Rolling Shutter
Protect window: AR coated window
Operating System Compatibility: Mac, Windows, Linux
Bit rate: 12bit output(12bit ADC)
Adaptor:1.25″ / M28.5X0.6
Dimension: φ36mm X 61mm
Weight: 60g or 3.1 ounces (without lens)
Working Temperature: -5°C—45°C
Storage Temperature: -20°C—60°C
Working Relative Humidity: 20%—80%
Storage Relative Humidity: 20%—95%
USB2.0 MAX FPS
2X2Bin :968×548: 20.4