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The Kowa LM2.3PB 1/3" Fixed Focus Auto-Iris Lens (2.3mm) is a CCTV lens useful for surveillance in low as well as bright light conditions thanks to its aperture of 1.4.
Focal Length | f=2.8 mm |
Maximum Aperture | F=1.4 |
Resolution |
Center: 100 LP/mm Corner: <40 LP/mm |
Picture Size | 0.13 x 0.19" (3.4 x 4.8 mm) |
Element | 7 group, 8 elements |
Angle |
Diagonal: 143.2° Horizontal: 116.1° Vertical: 87.4° |
Distortion | -21.9% |
Shooting Distance Range |
At minimum object distance Diagonal: 48.69” (1236.8 mm) Horizontal: 26.17” (664.8 mm) Vertical: 15.67” (398 mm) |
Minimum Object Distance | 0.66' (0.2 m) |
Flange Back Length | 0.49" (12.5 mm) |
Back Focus | 0.33" (8.3 mm) |
Effective Diameter |
Front: Φ0.92” (Φ23.4 mm) Rear: Φ0.34” (Φ8.7 mm) |
Mount | CS-mount |
Exit Pupil Position | 10.09" (256.4 mm) |
Temperature Range | 14 to 113°F (-10 to 45°C) |
Storage Temperature | -40 to 140°F (-40 to 60°C) |
Features |
Stopper strength: <10 kgf/cm Endurance test : 10,000 times (iris), 5,000 times (focus) Operating torque: 100 to 1,000 gf/cm (focus) |
Driving Coil |
Resistance: 190 ohms (68°F/20°C) Color: Red, black (red + open) |
Dumping Coil |
Resistance: 1150 ohms (68°F/20°C) Color: Yellow, green (yellow + open) |
Driving Voltage |
To open: >4 V To close: <0 V (with closing spring) |
Dimensions (Ø x L) | 1.45 x 1.61" (37 x 41 mm) |
Weight | 2.82 oz (80 g) |
Packaging Info | |
---|---|
Package Weight | 0.2 lb |
Box Dimensions (LxWxH) | 2.8 x 2.7 x 2.7" |