Model                          Iris             Focal Length (mm)       Maximum Aperture       Image Format
GV-BX3400-0F              Fixed            4 mm                           F/1.5                             1/3″
GV-BX3400-1F              Fixed            8 mm                           F/1.6                             1/2.5″
GV-BX3400-2F              Fixed            12 mm                         F/1.6                             1/2.5″
GV-BX3400-4V             DC Drive        3 ~ 10.5 mm                F/1.4                             1/2.7″
GV-BX3400-5V             DC Drive        2.8 ~ 6 mm                  F/1.3                             1/3″