ModelNoSSV2858NIImageFormatCover1/4"FocalLength2.8-5.8mmMaximumApertureRatioF1.4IrisOperationManualIrisRangeF1.4FocusOperationManualFocusScaleNEARFARZoomWideManualTeleTWAngleFieldofView(D×H×V1/4inchwide76.7°×56.8°tele38.3°×28.7°1/3inchWide***Tele***1/2inchWide***Tele***2/3inchWide***Tele***1inchWide***Tele***MinimumObjectDistance0.2mBackFocalLength6.50-10.04mmEffectiveDiameterFrontΦ13.3mmRearΦ6.5mmFilterScrewSize---mmP=---MountCSMechanicalDimension(D×L)ΦWeight31gComments)