Etc Source Four jr and jr Zoom CE User Manual Bedienungsanleitung PDF herunterladen (Seite 11)

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Switching lens assemblies

Follow these procedures to replace a fixed field lens with Zoom lens.

Step 1: Loosen the screw at the front of the baffle. See Figure 11.

Step 2: Pull the light baffle out of the barrel.

Step 3: Remove the beam focus knob from the bottom of the barrel and slide the lens assembly

from the barrel.

Step 4: Slide the Zoom lens rear assembly into the barrel and install its beam focus knob.

Step 5: Slide the Zoom lens front assembly into the barrel and install its beam focus knob.

Step 6: Reinstall the light baffle and secure it with the retaining screw.

Cleaning glass lens

Replace lens if they contain visible damage (cracks or deep scratches) that may impair their

effectiveness.

Step 1: Remove the lens assembly. See Source Four jr /jr Zoom Assembly Guide for lens

removal instructions.

Step 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.

Step 3: Reinstall the lens assembly.

Note:

Reverse steps 1-6 to replace Zoom lens with a standard lens.

WARNING:

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.

Lens tray

Figure 11

Light baffle and

retaining screw

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Etc Source Four jr and jr Zoom CE User Manual Bedienungsanleitung Seite 11