248Alvium USB Cameras User Guide V4.6.1
Lenses: Focal length vs. field of view
Alvium 1800 U-319m/c
Values for 1800 U-319m/c cameras with Type 1/1.8 (8.9 mm diagonal) sensors:
Alvium 1800 U-320 VSWIR
Values for 1800 U-320VSWIR cameras with Type 1/1.8 (8.9 mm diagonal) sensors:
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm Object distance = 1000 mm
4.8 735 × 550 1476 × 1104
6 586 × 439 1180 × 882
8 438 × 328 883 × 661
12 290 × 217 586 × 439
16 215 × 161 438 × 328
25 135 × 101 278 × 208
35 95 × 71 196 × 147
50 64 × 48 135 × 101
Table 126: Focal length versus field of view for Alvium 1800 U-319m/c
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm Object distance = 1000 mm
6 591 × 439 1189 × 882
8 441 × 328 890 × 661
12 292 × 217 591 × 439
16 217 × 161 441 × 328
25 136 × 101 280 × 208
35 95 × 71 198 × 147
50 65 × 48 136 × 101
75 41 × 30 89 × 66
Table 127: Focal length versus field of view for Alvium 1800 U-320 VSWIR