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Cleaning the Lenses and Reflector
W A R N I N G :
Replace lenses if they contain visible damage (cracks or deep scratches) that may impair their
effectiveness.
C l e a n i n g G l a s s L e n s e s
Step 1:
Remove the barrel.
Refer to
Step 2:
If needed, move the lenses to access both sides of the lenses.
Step 3:
Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth. Isopropyl
alcohol, distilled water or a 50%-50% mixture of each can be used to clean the glass
surface.
Step 4:
If the reflector needs to be cleaned, refer to
Step 5:
Return the lenses to the required positions if needed.
Step 6:
Replace the barrel.
14
Do not use ammonia-based or other harsh commercial cleaners. Clean lens
and reflector only as directed.
Commercially available glass cleaning agents should be avoided as they
may contain ammonia, other harsh chemical detergents or abrasive agents.
These cleaners may damage the glass surface and the Anti-Reflective
coatings. Do not immerse or soak the glass in any cleaning solution.
Field lens
Focus lens
Figure-13 Internal Glass Lenses.
Removing and Installing the Barrel, page
Reflector
7.
Cleaning the reflector, page
Source Four XT HID Zoom User Manual
15.
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