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| May
6, 2008 Sponsored
by:
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Focus, Focus,
Focus
Tip written
by: Infraspection Institute
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Proper image focus
is still one of the most important aspects of performing
an infrared inspection. A clear image not only allows
for optimal problem diagnosis, but it is also critical
to accurate temperature measurement.
Clear focus is not difficult to achieve
if you follow a few simple steps:
- Get as close as safely possible
to your target
- Take time to carefully focus for optimum clarity.
This may take some practice if you have a motorized
focus mechanism.
- Ascertain that your target is stationary.
- Only shoot from a stable platform.
If imaging from a motor vehicle, it may be desirable
to shut off the engine to avoid vibration.
- Be sure your imager is steady as
you capture the image. Gently push the store button
rather than punching it.
- If using a handheld imager, consider
using a tripod or monopod to help stabilize your imager.
Once you’ve stored an image,
recall and check for clarity. If the results are less
than perfect, start over. In addition to greater accuracy,
capturing clear images makes it easier to convey information
to the end user and/or the person who will eventually
perform corrective actions.
Visit
Infraspection Institute Web Site
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