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Kowa LM2.3PB 1/3" Fixed Focus Auto-Iris Lens (2.3mm)

B&H # KOLM23PB MFR # LM2.3PB
Kowa LM2.3PB 1/3" Fixed Focus Auto-Iris Lens (2.3mm)

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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.

Black finish
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 0.5 lb
Box Dimensions (LxWxH) 2.75 x 2.75 x 2.75"
Kowa LM2.3PB 1/3" Fixed Focus Auto-Iris Lens (2.3mm)
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