ModelNoSL10310AImageFormatCover1/3"1/2"FocalLength10-310mmMaximumApertureRatioF1.5-1000IrisControlMethodVideoDriveFocusControlMethodMotorizedZoomControlMethodMotorizedAngleFieldofView(D×H×V)1/3inchWide26.7°X20.1°Tele0.90°X0.68°1/2inchWide35.3°X26.7°Tele1.27°X0.90°2/3inchWide***Tele***1inchWide***Tele***MinimumObjectDistance2.8mBackFocalLength14.57mmEffectiveDiameterFrontΦ80.1mmRearΦ17.3mmFilterScrewSizeM86P=0.75MountCMechanicalDimension(D×L)100X109.5X238.5mmWeight2100gComments)