- Suitable for color and day/night camerasN/A- Telephoto 12.5-50 mm lensesN/A- IR-corrected lensesN/A- DC-iris and P-IrisN/AN/AMegapixel lens to see it allN/AWith 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 12.550 mm and the lenses fast aperture (F-number) is 1.4.N/AN/ACompatible camerasN/AThe 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.