Vari-focal lens, IR corrected for day/night cameras.

The purpose of an IR corrected lens is to compensate for the focus shift that results od the different wavelengths of visible and IR light (the compensate of the chromatic aberration). Using a combination of aspherical elements, special coatings, and extraordinary low-dispersion glass (ED), IR corrected lenses focus light energy on the same plane (or, at least, closer to the same plane than with ordinary lenses). The result is better focus, sharper contrast and better overall image quality.

TEHNIČNI PODATKI:

Goriščna razdalja:	16 mm
Zaslonska odprtina:	F 1.6
View angle for 1/3" CCD tipalo:	18°
IR corrected Objektiv:	Da

 

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