Lenses: Focal length vs. field of view
151
Alvium CSI-2 Cameras User Guide V2.6.2
About S-Mount lenses
Alvium CSI-2 models with S-Mount have no filter. For typical applications, we
recommend using S-Mount lenses with an integrated IR cut filter for a better image
quality.
Read
Mounting and focusing S-Mount lenses
on page 176 to avoid damage when
using S-Mount lenses.
Focal length vs. field of view
Alvium 1500 C-050m/c
Values apply to 1500 C-050m/c cameras (aspect ratio 1:1.34) 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
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 67: Focal length versus field of view for Alvium 1500 C-050m/c
