ModelNoSSV0550GNBImageFormatCover1/4"1/3"FocalLength5.0-50mmMaximumApertureRatioF1.45-360IrisOperationDirectDriveIrisRangeF1.45-360FocusOperationManualFocusScaleNEARFARZoomWideManualTeleTWAngleFieldofView(D×H×V1/4inchwidetele1/3inchWide54.2°×40.4°Tele5.6°×4.2°1/2inchWide***Tele***2/3inchWide***Tele***1inchWide***Tele***MinimumObjectDistanceBackFocalLengthEffectiveDiameterFrontΦRearΦFilterScrewSizeMountCSMechanicalDimension(D×L)Φ55×73.5×56Weight140g)