WAT-3745B-22 P3.7 f3.7 F4.5 1/3"

3745B-22
[1/2", 1/3"]Type: Pin hole
Focal length(mm): f3.7
F-stop: F4.5
Angle of view(H x V): 99° x 73°[1/2"], 72° x 54°[1/3"]

[For]
1/2": WAT-902DM2S, 902DM2, 902H2 SUPREME, 902H, 902B
1/3": WAT-902DM3S, 902DM3, 902H3 SUPREME, 502B