ModelNoSSV0922NIImageFormatCover1/4"1/3"FocalLength9-22mmMaximumApertureRatioF2.0IrisOperationFixedIrisRangeF2.0FocusOperationManualFocusScaleNEATFARZoomWideManualTeleTWAngleFieldofView(D×H×V1/4inchwidetele1/3inchWide42.21°X33.21°X23.77°Tele22.81°X18.44°X13.31°1/2inchWide***Tele***2/3inchWide***Tele***1inchWide***Tele***MinimumObjectDistance0.3mBackFocalLength7.2mmEffectiveDiameterFrontΦ28mmRearΦ39mmFilterScrewSize***MountCSMechanicalDimension(D×L)Weight44g)