16mm

In case of interest. Here are two images taken at the same time using two different Hikvision domes. (A) is mounted just under the roof, and (B) is at waist level and about 15 feet farther back. (A) Hikvision DS-2CD2132F (3MP dome) with the stock 2.8 mm lens (B) Hikvision DS-2CD2542FWD (4MP...