ModelNoSSV2858GNBImageFormatCover1/4"FocalLength2.8-5.8mmMaximumApertureRatioF1.4-64IrisOperationDirectDriveIrisRangeF1.4-64FocusOperationManualFocusScaleNEARFARZoomWideManualTeleTWAngleFieldofView(D×H×V1/4inchwide76.7°×56.8°tele38.3°×28.7°1/3inchWide**Tele**1/2inchWide**Tele**2/3inchWide**Tele**1inchWide**Tele**MinimumObjectDistance0.2mBackFocalLength6.50-10.04mmEffectiveDiameterFrontRearFilterScrewSizeMountCSMechanicalDimension(D×L)Φ28x44.4x35Weight42gComments)