Filter
Top Products
37
10.3 Regular inspection (by manufacturer)
In order to use this instrument safely over its useful life, we recommend you to have it inspected annually. Contact Kowa
or your Kowa dealer for details and cost of inspections.
1. External components and their installation
2. Optical components
3. Operations and functions of components
4. Photograph quality inspection using standard model eye (0D)
5.
Photography light intensity
10.4 Cleaning the objective lens
You can not obtain a good image if the objective lens is contaminated with ngerprints, etc. Clean the lens as described
below:
1
Turn ON power switch.
2
In
ord
er to identify soils on the objective lens clearly, reduce room’s luminance, and turn ON the objective lens
cleaning lamp.
(Refer to
“ 9.2 Objective lens cleaning lamp”
for details of how to turn ON the objective lens cleaning lamp.)
3
Using high-pressure air
, blow off debris or dust.
4
When t
he air does not clean the objective lens, moisten soft cloth or
cleaning paper with cleaning solution made from ethyl alcohol and ether
(1:1) and clean the lens starting from its center in a circular motion.
x
Tips for lens cleaning
Do not reuse soft cloth or cleaning paper but use new soft cloth or cleaning paper moistened with cleaning solu-
tion to obtain the best results.
k
Cleaning the lens without removing soils or applying a strong force when wiping may scratch the lens surface.
k
Do not use chamois leather, silicon cloth, or eyeglass cleaner paper, etc.
k
Carefully store and handle the ammable and combustible cleaning solution.
5
If any soil
is left out after cleaning with the cleaning solution, gently wipe off the soiled area with a cotton swab soaked
with a little amount of water. After this cleaning step, wipe the lens using the cleaning solution described above.
Should you have stubborn soil that cannot be removed by the steps above, contact Kowa or your Kowa dealer.
6
Turn OFF the objective lens cleaning lamp after the lens cleaning is completed.
10 Maintenance and inspection