Allied Vision 12345 Manuale d'uso - Pagina 17
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S-12-F2.8-5MP-T1-2.5
Feature
Product code
Camera mount
Sensor size
Focal length
Aperture (f/#)
Supported pixel resolution
Angle of view (diagonal)
Back focus
IR correction type
Relative illumination
Distortion
Dimensions (diameter × length)
Mass
Lens position at infinity (approximately)
Table 15
recommend using a minimum thread engagement length of 1.0 mm (two 360
degree turns). Below this length, lens mounting is not stable enough.
a
b
c
Lens
d
e
f
Table 15: S-12-F2.8-5MP-T1-2.5 lens position at infinity (with schematic drawing)
S-Mount Lenses User Guide V1.1.0
S-12-F2.8-5MP-T1-2.5
Table 14: S-12-F2.8-5MP-T1-2.5 specifications
defines values for the position of the lens when focused to infinity. We
ID
Component or distance type
1
Electronics component
2
Sensor with cover glass
1
a
Lens front to sensor
b
Lens front to front flange distance
2
c
Flange focal distance (optical)
d
Thread engagement length
e
Lens back to sensor distance
f
Lens thread end to sensor
1
Optical distance measured to the active sensor surface,
disregarding microlenses and cover glass.
S-12-F2.8-5MP-T1-2.5-IRC
12346
S-Mount (M12 × 0.5)
Type 1/2.5
12 mm
f/2.8
5 megapixels
33° with Type 1/2.5
8.57 mm
IR-optimized
>82.5%
<-1.75%
Ø 14 mm × 10.2 mm
<10 g
1
distance
1
1
distance
Specifications
12347
IR cut
Ø 14 mm × 11.4 mm
IR-optimized
IR cut
-
-
17.5 mm
4.9 mm
5.6 mm
12.6 mm
5.0 mm
7.6 mm
7.6 mm
17