ASI174MM Mini camera integrates Sony IMX249 1/1.2″ sensor (11.3 mm x 7.1 mm). It is the first model in the “mini”-series of cameras from ZWO. This camera has 1936 x 1216 pixels with a pixel size of 5.86 μm x 5.86 μm.  It camera provides 12-bit ADC and its QE peak is 77%
174Mini vs. 174MM
Compared with the ASI174MM camera, the new 174-Mini has a sleeker design, less weight, and it can reach focus at the same position as an eyepiece.