Model No  SSV0308GNBIRImage Format Cover  1/4" 1/3"Focal Length 
3.0-8mmMaximum Aperture Ratio  F1.2-64IrisOperation  Direct DriveIrisRange  F1.2-64FocusOperation  ManualFocus Scale  N FZoomWide  ManualTele  T WAngle Field of View (D×H×V1/4 inchwide
tele
1/3 inchWide  90.2°Tele  36.0°1/2 inchWide  ***Tele  ***2/3 inchWide  ***Tele  ***1 inchWide  ***Tele  ***Minimum Object Distance  0.3 mBack Focal Length 
7.83mmEffective DiameterFront Rear Filter Screw Size  --- mm P=---Mount  CSMechanical Dimension(D×L)
Φ32.9mmx44.11mmx46.3mmWeight  60g