Lens Tube: 90°
29
Lens Markings and Positions: 90°
The 90° lenses are colour-coded for identification. The rear lens has two purple dots and the
front lens has one purple dot. The lens positions are colour-coded within the lens casting to
match the coloured dots on the lenses (see
Figure 28
).
Assembling the Lens Tube: 90°
Tools Required:
• #2 Phillips head screwdriver
1:
See
Figure 27
. Place the rear lens (2) into the mounting plate (1) with paint dots facing forward.
Center the lens in the mounting plate and secure with the retaining ring (3) and screws (7).
Lightly tighten all three screws while maintaining the lens position, and then tighten screws
securely.
2:
See
Figure 27
. Place the front lens (5) into the mounting plate (4) with paint dots facing forward.
Center the lens in the mounting plate and secure with the retaining ring (6) and screws (7).
Lightly tighten all three screws while maintaining the lens position, and then tighten screws
securely.
Cleaning the Glass Lens: 90°
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.
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.
Align lens dots toward this end
Figure 28
Rear Lens
2 Purple Dots
Front Lens
1 Purple Dot
Summary of Contents for Source Four CE 405
Page 34: ...30 Source Four CE Assembly Guide ...
Page 35: ...Lens Tube 90 31 ...
