Falcon2 4M, 8M, and 12M Camera User's Manual
69
Teledyne DALSA
03-032-20107-03
Figure 25 CamExpert histogram of a dark scan (8 bit output)
Important:
In this example, the
average
pixel value for the frame is close to black. Also note that most sensors will show a
much higher maximum pixel value due to one or more "hot pixels". The sensor specification accounts for a small number of
hot or stuck pixels (pixels that do not react to light over the full dynamic range specified for that sensor).
2.
Verify Bright Image
Aim the cam era at the PRN U reference. Using Cam Exp ert, click on the grab bu tton and then the
histogram bu tton. Use the lens iris to ad ju st for a bright gray ap p roxim ately aro u nd a p ixel valu e
of 200 (for 8-bit p ixels). The follow ing figu re show s a typ ical histogram for a Falcon2 grabbing a
bright gray im age.
