255Alvium USB Cameras User Guide V4.6.1
Lenses: Focal length vs. field of view
Alvium 1800 U-2460m/c
Values for 1800 U-2460m/c cameras with Type 1.2 (19.3 mm diagonal) sensors:
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm Object distance = 1000 mm
8 898 × 776 1810 × 1566
12 594 × 513 1202 × 1040
16 442 × 382 898 × 776
25 277 × 240 569 × 492
35 194 × 168 403 × 348
50 131 × 114 277 × 240
75 83 × 72 180 × 156
Table 140: Focal length versus field of view for Alvium 1800 U-2460m/c
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