Filter and lenses
176
Manta Technical Manual V7.9.0
Manta G-1236B, G-1236C
IR cut filter
Color models are equipped with an IR cut filter. The following illustration shows the
spectral transmission of the IR cut filter.
Focal length
Field of view
Distance = 500 mm
Distance = 1000 mm
12 mm
577 × 422 mm
1168 × 855 mm
16 mm
429 × 314 mm
873 × 638 mm
25 mm
270 × 197 mm
553 × 405 mm
35 mm
189 × 138 mm
391 × 286 mm
50 mm
128 × 93 mm
270 × 197 mm
100 mm
57 × 42 mm
128 × 93 mm
135 mm
38 × 28 mm
91 × 67 mm
Table 75: Manta G-1236B, G-1236C focal length vs. field of view
Figure 106: Approximate spectral transmission of a Hoya C-5000 type IR cut filter
(may vary slightly by filter lot)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
200
400
600
800
1000
T
ransmi
Ʃ
ance [
T
]
Wavelength [nm]