Lenses: Focal length vs. field of view
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Alvium CSI-2 Cameras User Guide V2.8.1
Alvium 1800 C-291m/c
Values for 1800 C-291m/c cameras with Type 2/3 (10.8 mm diagonal) sensors:
Alvium 1800 C-319m/c
Values for 1800 C-319m/c 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
6
644 × 642
1296 × 1293
8
481 × 480
970 × 968
12
318 × 317
644 × 642
16
237 × 236
481 × 480
25
149 × 148
305 × 304
35
104 × 104
216 × 215
50
70 × 70
149 × 148
Table 93: Focal length versus field of view for Alvium 1800 C-291m/c
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 94: Focal length versus field of view for Alvium 1800 C-319m/c
