Lenses: Focal length vs. field of view
186
Alvium CSI-2 Cameras User Guide V2.8.1
Alvium 1800 C-234m/c, 1800 C-235m/c
Values for 1800 C-234m/c and 1800 C-235m/c cameras with Type 1/1.2
(13.4 mm diagonal) sensors:
Alvium 1800 C-240m/c
Values for 1800 C-240m/c cameras with Type 1/2.3 (7.9 mm diagonal) sensors:
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm
Object distance = 1000 mm
8
698 × 438 mm
1407 × 884 mm
12
461 × 290 mm
933 × 586 mm
16
343 × 215 mm
697 × 438 mm
25
215 × 135 mm
442 × 278 mm
35
150 × 94 mm
312 × 196 mm
50
102 × 64 mm
215 × 135 mm
Table 91: Focal length versus field of view for Alvium 1800 C-234m/c and
1800 C-235m/c
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm
Object distance = 1000 mm
4.8
691 × 433
1389 × 871
6
552 × 346
1110 × 696
8
412 × 258
831 × 521
12
272 × 171
552 × 346
16
203 × 127
412 × 258
25
127 × 80
261 × 164
35
89 × 56
185 × 116
50
60 × 38
127 × 80
Table 92: Focal length versus field of view for Alvium 1800 C-240m/c
