Adjusting Image Quality
FQ2-S/CH User’s Manual
79
3
Taking Images
When HDR Is OFF
The brightness of the image is adjusted by adjusting the shutter speed. If the brightness cannot be improved by
adjusting the shutter speed, the gain is adjusted.
Relationship between the Shutter Speed/Gain and the Image Brightness (For FQ2-S3/S4 series)
[Image] − [Camera setup]
• Adjust the shutter speed not only to adjust the brightness of the image, but also to adjust for the travel speed of
the measurement object.
Taking Clear Images of Moving Objects: p. 82
• Increasing the gain will make the image brighter, but it will also reduce image quality to the point that the noise
component in the images will stand out. Select a suitable factor for the inspection.
1 Press [ ] − [Shutter speed] on the right of the display.
2 Move the bar to the left or right to adjust the
shutter speed.
Moving it to the left will make the shutter speed
slower and the image brighter. Moving it to the right
will make the shutter speed faster and the image
darker.
3 Press [OK].
If you cannot obtain the required brightness by ad-
justing the shutter speed, adjust the gain
1/1
1/60,000
or 1/4,155
10
Shutter
speed
Gain
0
Dark
Bright
Brightness of image
Note
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