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Rainbow L6DC4P 1/2" 6mm DC Type Auto Iris CCTV Lens
The Rainbow L6DC4P is a great cs mount cctv lens with a 4 pin DC type auto iris. The L6DC4P also is a 1/2inch lens yet is compatible with 1/3" and 1/4" format security cameras. Furthermore the Rainbow L6DC4P has a 6mm fixed focal length.