Cleaning Glass Lens - ETC Source Four jr User Manual

ETC User Manual
Source Four jr / jr Zoom

Cleaning glass lens

WARNING:
Replace lenses if they contain visible damage (cracks or deep scratches) that
may impair their effectiveness.
1: Remove the lens assembly. See
Guide
2: 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.
3: Reinstall the lens assembly.
Source Four jr / jr Zoom
Do not use ammonia-based or other harsh commercial
cleaners. Clean lens 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.
for lens removal instructions.
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Source Four jr / jr Zoom Assembly
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