Product Description
Main Specifications:
1) 3Megapixel 2.8mm HD lens
2) Mount type: CS
3) 1/2.5″ format
4) Aperture: F1.2
5) Iris: Fixed
6) Application: HD security cameras
7) Package: 2*2.8mm/lot(2.5mm optional)
8) Please leave a message if you want 2.5mm lens.
1/2.5″ 2.8mm Fixed Iris CS Mount 3MP HD IR CCTV Lens with 2.5mm optional:

HD 3MP 2.5mm/2.8mm CS IR metal CCTV lens,1/2.5″ format, F1.2 aperture