Optical Lens (C Head) -- Compatible with some UA/Europe version PS2, the lens model is KHS-400C, thinnerthan the KHS-400B (B head) Tips:V1/V2 use the 400A;V3/V4 use the 400B and 90% of V3 use the 400B short model;V5/V6/V7 use the 400R model and 90% of V7 use the 400C model