VAXIS VFX VND-CPL 0.9-2.1 82mm Filter (Blue) 2 in 1, Both VND and CPL Aluminum alloy material,CNC integration process K95 optical glass, multicoating&resistance coating Full-frame coverage, compatible with variety of lenses, maximum 16mm focal length. Easy to cope with wide angle lenses No color cast design,film-grade scale,more intuitive and clearer Lockable ND design,polarization can be adjusted with ND locked
