Assemble 5° And 10° Lens Tubes; Clean 5° And 10° Polymer Lenses - ETC Source Four Assembly Manual

A s s e m b l e 5 ° a n d 1 0 ° l e n s t u b e s
Tools Required:
•
Step 1:
Step 2:
Step 3:
C l e a n 5 ° a n d 1 0 ° p o l y m e r l e n s e s
W A R N I N G :
Remove dust with a blast of oil-free air. If this is not sufficient, follow the instructions below.
Step 1:
Step 2:
Step 3:
Step 4:
Step 5:
Step 6:
Step 7:
5° Lens Tube
#2 Phillips head screwdriver
Place the lens tube assembly (1) on your work surface. Align the assembly so
that the colorframe grooves are to your left.
If you are assembling a 5° tube, attach the handle (10) as shown in
using the screws (12), washers (13) and backing plate (11) indicated.
Install the required lens as shown on
required bumpers (4), screws (7), nuts (8), and washers (9) as indicated. The
side of the lens with the fresnel grooves should face the front of the tube. The
smooth side should face the rear.
Handle polymer lenses by their edges only. Never rub anything dry on a polymer
lens. Do not use glass and window cleaners on the lens. This will damage the lens.
Dip lens in clean alcohol/water solution (mix 9 parts water to 1 part alcohol).
Use a moistened, nylon, soft-bristle brush to wash the smooth side in a straight
motion.
Use the same moistened brush to clean the ridged side, following the ridges,
without hand pressure.
Dip lens in clean alcohol/water solution.
Use air gun to dry the smooth surface.
Use air gun to dry the ridged surface. Use air stream to move the liquid away from
you. Using this method, remove as much liquid as possible.
Inspect the lens for dirt. If necessary, repeat the entire process.
page 15 or page 16 in the tube using
Figure 18,
17