FlashSight™ User’s Guide
Copyright © 2006, FLIR Systems, Inc. 431-0002-09-10 Version 100 15
8 Maintenance
8.1 Lens Cleaning
Materials:
• Optical-grade tissue (e.g., Edmund Industrial Optics part number
52105 or any similar product)
• Pure water (de-ionized or other)
• Isopropyl alcohol (IPA)
Procedure:
1. Saturate a piece of the lens tissue with the water and drape it over the
lens. Let the surface tension of the water pull the tissue onto the lens
surface and then drag the tissue across the lens surface. Repeat
several times with different pieces of tissue.
2. Repeat the same step using IPA instead of water. Drag the final piece
of tissue over the lens several times to prevent pooling, which could
leave a residue behind.
8.2 Eye Cap Cleaning
Materials:
• Mild soapy water
• Paper towel
Procedure:
1. Remove eye cup.
2. Clean plastic eye piece.
3. Clean rubber eye cup.
4. Reinstall.
9 History of Infrared
Less than 200 years ago the existence of the infrared portion of the
electromagnetic spectrum wasn't even suspected. The original significance of
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