This is a standard 2.5mm fish eye MTV mount board lens, and it can get a best view with the distance of 0.3 ~ 5m (1foot ~ 15feet). This lens is very popular and widely used for CCTV camera.
Spec:
Image Size(inch): 1/3″
Focal Lengt(mm): 2.5mm
Aperture(F): F2.0
Angle of view(AOV): 100 degree
Focal: Fixed
Iris: Fixed
Mount: M12×0.5(mm)
