CCOM Electronics Technology Co., Ltd.
CCTV Optical Master to Provide Best Video Solutions
The CS-mount lens has the flange back distance of 12.5mm. The C-mount lens has the flange distance of 17.5mm.
The CS mount lens is only applicable to the CS mount camera, but the C mount lens is fit for both C mount and CS mount cameras as long as a 5mm Adapter Ring is used to match the CS mount camera.