178Alvium USB Cameras User Guide V3.6.4
Lenses: Focal length vs. field of view
Alvium 1800 U-507m/c, 1800 U-508m/c
Values for 1800 U-507m/c and 1800 U-508m/c cameras Type 2/3
(11.1 mm diagonal) sensors:
Alvium 1800 U-511m/c
Values for 1800 U-511m/c cameras with Type 1/1.8 (8.8 mm diagonal) sensors:
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm Object distance = 1000 mm
6 700 × 584 1408 × 1175
8 523 × 436 1054 × 880
12 346 × 288 700 × 584
16 257 × 215 523 × 436
25 162 × 135 332 × 277
35 113 × 94 234 × 196
50 77 × 64 162 × 135
Table 88: Focal length versus field of view for Alvium 1800 U-507m/c and
1800 U-508m/c
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm Object distance = 1000 mm
5 671 × 560 1348 × 1125
6 558 × 466 1122 × 937
8 417 × 348 840 × 701
12 275 × 230 558 × 466
16 205 × 171 417 × 348
25 129 × 107 264 × 221
35 90 × 75 187 × 156
50 61 × 51 129 × 107
Table 89: Focal length versus field of view for Alvium 1800 U-511m/c