Lenses: Focal length vs. field of view
152
Alvium CSI-2 Cameras User Guide V2.6.2
Alvium 1500 C-120m/c
Values apply to 1500 C-120m/c cameras with Type 1/3 (6.0 mm diagonal) sensors.
Alvium 1500 C-210m/c
Values apply to 1500 C-210m/c cameras (aspect ratio 1:1.75) with Type 1/3.6 (4.9
mm diagonal) sensors.
Focal length [mm]
Field of view (H × V [mm])
Object distance = 500 mm
Object distance = 1000 mm
2.8
852 × 639
1709 × 1282
3.6
662 × 496
1329 × 996
4.8
495 × 371
995 × 746
6
395 × 296
795 × 596
8
295 × 221
595 × 446
12
195 × 146
395 × 296
16
145 × 109
295 × 221
25
91 × 68
187 × 140
Table 68: Focal length versus field of view for Alvium 1500 C-120m/c
Focal length [mm]
Field of view (H × V in [mm])
Object distance = 500 mm
Object distance = 1000 mm
2.8
746 × 426
1496 × 855
3.6
579 × 331
1162 × 664
4.8
433 × 248
871 × 498
6
346 × 198
696 × 398
8
258 × 148
521 × 298
12
171 × 98
346 × 198
16
127 × 73
258 × 148
25
80 × 46
164 × 94
Table 69: Focal length versus field of view for Alvium 1500 C-210m/c