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Rainbow H35ECS 1/2" 3.5mm Fixed Focal Length Video Type Auto Iris CCTV Lens
The Rainbow H35ECS is a great cs mount cctv lens with a 4 pin video type auto iris. The H35ECS also is a 1/2inch lens yet is compatible with 1/3" and 1/4" format security cameras. Furthermore the Rainbow H35ECS has a 3.5mm fixed focal length.