LENS-AUTO</FONT></STRONG></FONT> Varifocal 3.5-8mm Auto Iris Lens for security cameras LENS-AUTO Varifocal 3.5-8mm Auto Iris Lens for security cameras The Varifocal ability of this lens lets you change the focal length(3.5~8mm). With shorter focal length you get wider field of view and with longer focal length, narrower field of view. Auto iris lens automatically adjusts to the various light situation of surroundings. The iris opens up more to gather more light when there is little light, and closes to reduce the amount of light when there is too much light. | ? Focal Length | 3.5-8mm VARI FOCAL | | ? Relative Aperture | 1.4 - CLOSE | | ? Image Format | 1/3" 4.6x3.6mm | | ? Aangular Field of View | W=73.9x56.3Deg T=33.8x25.8Deg | | ? M.O.D | 0.5m | | ? Object Area at M.O.D. | W=67.7x48.1Cm T=27.6x20.8Cm | | ? Back Focal Length | 8.11mm (IN AIR) | | ? Exit Pupil | 1639.6mm | | ? Mount Type | "CS" MOUNT | | ? IRIS System | GALVANO TYPE (DC & AI) | | ? Sensitivity Adjustment | 0.4-1.0Vp-p | | ? IRIS Power Supply | DC8 - 16V AUTO IRIS W/AMP | | ? Focus | MANUAL | | ? Zoom | MANUAL | | ? Weight | 60g |
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