155
Alvium USB Cameras User Guide V3.3.0
Lenses: Focal length vs. field of view
Alvium 1800 U-507m/c, 1800 U-508m/c
Values apply to 1800 U-507m/c and 1800 U-508m/c cameras Type 2/3 (11.1 mm
diagonal) sensors.
Alvium 1800 U-1236m/c
Values apply to 1800 U-1236m/c cameras with Type 1.1 (17.6 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 77: 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
8
872 × 638
1759 × 1287
12
577 × 422
1168 × 854
16
429 × 314
872 × 638
25
270 × 197
553 × 405
35
188 × 138
391 × 286
50
128 × 93
270 × 197
75
80 × 59
175 × 128
Table 78: Focal length versus field of view for Alvium 1800 U-1236m/c