ZWO ASI 664MC [COLOUR]The ZWO ASI 664MC is a professional colour planetary camera containing the Sony STARVIS 2 IMX664 CMOS backlit colour sensor which has a diagonal of 1 1. 8" and a resolution of 4. 15 MP with 2. 9m pixels. The 664MC can be considered an iteration of the ASI 662MC, with zero amp glow, greater sensor size and higher resolution. Sensor 1 1. 8 CMOS Sony IMX664 Resolution 4. 15 Megapixels, 2704 x 1536 Pixel size 2. 9 m Sensor size 7. 84 x 4. 45 mm, 9. 02 mm