Overview This BU CMOS series is an integrated-(one-body)-type camera that adopts a global shutter CMOS sensor. These are BU205M (2M 2/3 type) BU406M (4M 1/1 type). There is BU406MN which was more excellent in near-infrared (NIR) sensitivity in BU406M. Suffix [C] or [CF] are attached to the color models.