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8.2. Optics Cleaning
The target window and optics should be cleaned once a week in normal
environments; and more often in dirty or dusty environments.
Target Window
1. Remove dust and lint from target window by wiping it with a clean, lint free cloth,
slightly moistened with water.
Optics
1. Unscrew the two thumb screws [1] and remove the nose piece [2].
Remove dust from aperture with camel hair brush or a camera lens cleaner [3].
2. Blow short bursts of air into the optics opening using a camera lens cleaner (with
the brush removed) until all dust is removed. This can be done with the nose
piece removed or attached.
WARNING! Do not use an air can that uses freon as a propellant.
Doing so could cause damage to the optics assembly.
[1]
[2]
[3]
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