Lenses: Focal length vs. field of view
50
Alvium CSI-2 Cameras User Guide V1.1.0
About S-Mount lenses
Alvium CSI-2 color models with S-Mount have no filter. We recommend S-Mount
lenses with an integrated IR-cut filter for a better image quality.
Read
Mounting and focusing S-Mount lenses
on page 70 to avoid damage when
using S-Mount lenses.
Focal length vs. field of view tables
1500 C-050, type 1/3,6
1500 C-120, type 1/3
Focal length [mm]
Field of view (H × V [mm])
Object distance = 500 mm
Object distance = 1000 mm
2,8
689 × 517
1381 × 1036
3,6
535 × 401
1073 × 805
4,8
400 × 300
804 × 603
6
319 × 239
643 × 482
8
239 × 179
481 × 361
12
158 × 118
319 × 239
16
117 × 88
239 × 179
25
74 × 55
151 × 113
Table 21: Focal length vs. field of view (1500 C-050 cameras)
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 22: Focal length vs. field of view (1500 C-120 cameras)
