15. Maintenance procedures
15.4 Cleaning the lens
To minimize the p ossibility of damage to optical coatings, or scratches to lens surfaces follow the cleaning
procedure as described here precisely.
Necessary tools
• Compressed air.
• Clean Tor aysee® cloth or any micro fiber lens cleaning cloth.
• Clean cotton cloth.
Necessary parts
Lens c leaner (e.g. Carl Zeiss lens cleaner or Purasol® or any water-based lens cleaner)
How to clean the lens?
1. Blow off dust with clean c ompr essed air (or pres surized air cans
1
).
2. Clean with lens c leaner together with a clean lens cleaning cloth to remov e the dust an d contamination. Use bi
g w ipes in one
single direction.
Warning: Do not wipe back and forwards ac ross the lens s urface as this tends to grind dirt into the coating.
3. Use a dry lens cleaning cloth t o remove left liquid or stripes. Polish w ith small circles.
4. If there are still fingerprints on the surface, wipe them off with lens cleaner together with a c lean lens cleaning cloth. Polish again
with a dry one.
If smears occur when cleaning lenses, replace the cloth. Smears are the fi rstindicationofadirtycloth.
1. Pressurized air cans are not efficient if there is too much dust on the surface, the pressure is too low
R5906693 DP2K-E SERIES 19/06/2015 115
To Next Page
Loading...
Need help?
General
