Lenses: Focal length vs. field of view
155
Alvium CSI-2 Cameras User Guide V2.6.2
Alvium 1800 C-158m/c
Values apply to 1800 C-158m/c cameras with Type 1/2.9 (6.3 mm diagonal)
sensors.
Alvium 1800 C-240m/c
Values apply to 1800 C-240m/c cameras with Type 1/2.3 (7.9 mm diagonal)
sensors.
Focal length [mm]
Field of view (H × V [mm])
Object distance = 500 mm
Object distance = 1000 mm
2.8
892 × 667
1789 × 1337
3.6
693 × 518
1390 × 1039
4.8
518 × 387
1041 × 778
6
414 × 309
832 × 622
8
309 × 231
623 × 465
12
204 × 153
414 × 309
16
152 × 114
309 × 231
25
95 × 71
196 × 146
Table 74: Focal length versus field of view for Alvium 1800 C-158m/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 75: Focal length versus field of view for Alvium 1800 C-240m/c