Table 42: manual gain range of the var, Ious guppy types (ccd and cmos) – ALLIED Vision Technologies Guppy F-503 User Manual
Page 123
Description of the data path
GUPPY Technical Manual V7.1.0
123
The following ranges can be used when manually setting the gain for the ana-
log video signal:
Type
Range
Range in dB
Increment length
CCD cameras
0 ... 680
0 … 24 dB
~0.035 dB/step
Guppy F-036
(CMOS camera)
16 … 64
0 … 12 dB
0..15: ~0.2 dB/step (1 step = 1 LSB)
16..64: ~0.25 dB/step (1 step = 2 LSB)
Guppy F-503
(CMOS camera)
8 ... 32
33 ... 48
49 ... 60
0 ... 12 dB
12.56 ... 18.06 dB
19.08 ... 26 dB
~0.5 dB/step
~0.56 dB/step
~1 dB/step
Table 42: Manual gain range of the various GUPPY types (CCD and CMOS)
Note
•
Setting the gain does not change the offset (black
value) for CCD models.
•
A higher gain also produces greater image noise. This
reduces image quality. For this reason, try first to
increase the brightness, using the aperture of the cam-
era optics and/or longer shutter settings.