- Suitable for color and day/night cameras- Telephoto, 12.5-50 mm lenses- IR-corrected lenses- DC-iris and P-IrisMegapixel lens to see it allWith its unique HD optical design, the Computar 12.5-50 mm lenses provide larger image circle for exceptional brightness and clarity in corners and throughout image plane. The focal length is 12.5–50 mm and the lenses fast aperture (F-number) is 1.4.Compatible camerasThe Computar 12.5-50 mm Lenses with DC-iris and with P-Iris are recommended for use with the following Axis cameras. The lenses are day/night corrected and therefore no adjustments will be needed when the IR-cut filter of the day/night camera disengages.