La description

IP64-compliant, Environment Resistant Lens with High Resolution and Low Distortion 25 mm
Model CA-LH25P
Focal point 25 mm
F-stop range (aperture) F1.4/4/8/16*1
Minimum WD 0.2 m
Filter size 27.0 mm P0.5
Mount C-mount
Max. compatible image size 2/3'
Resolving power 100 cycles/mm at centre, 80 cycles/mm on periphery
TV distortion -0.04% (-0.02%)*2
Enclosure rating IP64 (objective lens, water repellent coating specifications)*3
Ambient temperature/humidity range 0 to +50°C, 35 to 80% RH (No condensation)
Weight Approx. 75 g
*1 The f-stop (aperture) is changed by replacing the diaphragm plate. When this product is shipped, the OPEN diaphragm plate is attached to the lens, so replace it with one of the other included diaphragm plates (F4, F8, or F16) as necessary. To use the f-stop (aperture) in the OPEN mode, use the lens without removing the OPEN aperture. *2 This indicates the value with the maximum supported image size. The value in parentheses applies to a 1/3' image size. *3 When connected to a KEYENCE environmentally resistant camera (excluding when the close-up ring and filter are attached)
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