ZWO ASI290MM mini autoguider

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 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.

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.

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.