21
CCTV Lens
Section 2-5
Extension Tubes. A value of “t0” indicates no Tube is required and
“t5.0” indicates a 5 mm Tube is required.
For example when a 30mm field of vision is required at the working
distance and a 3Z4S-LE B2514D Lens is being used, use a 1-mm
Extension Tube and a working distance of 250 mm.
Lens
Extension Tube t
@
(mm)
Camera
Lens
Camera distance
A (mm)
Field of vision L (mm)
Object
Max. outer dia.
(Unit: mm)
1"-32UN-2A 30 dia.
Total length
Focal length
Brightness
Max. outer
diameter
Total length
Filter size
3Z4S-LE C418DX
4.8 mm
F1.8
40.5 mm dia.
35.5 mm
---
3Z4S-LE B618CX-2
6.5 mm
F1.8
48 mm dia.
42 mm
3Z4S-LE C815B
8.5 mm
F1.5
42 mm dia.
40 mm
M40.5
P0.5
3Z4S-LE B1214D-2
12.5 mm
F1.4
42 mm dia.
50 mm
3Z4S-LE C1614A
16.0 mm
F1.4
30 mm dia.
33 mm
M27
P0.5
3Z4S-LE B2514D
25.0 mm
F1.4
30 mm dia.
37.3 mm
3Z4S-LE B5014A
50.0 mm
F1.4
48 mm dia.
48 mm
M46
P0.75
3Z4S-LE B7514C
75.0 mm
F1.4
62 mm dia.
79 mm
M58
P0.75
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