4. Lens maintenance
4. LENS MAINTENANCE
4.1 Cleaning the lens
To minimize the possibility of damage to optical coatings, or scratches to lens surfaces, we have developed
recommendationsfor cleaning. FIRST, werecommend you try toremove any materialfrom the lensby blowing
it off with clean, dry deionized air. DO NOT use any liquid to clean the lenses.
Necessary tools
Toraysee
TM
cloth (delivered together with the lens kit). Order num ber : R379058.
Howtocleanthelens?
1. Always wipe lenses with a CLEAN Toraysee
TM
cloth.
2. Wipe lenses in a one single direction.
Warning: Do not wipe back and forwards across the lens surface as this tends to grind dirt into the coating.
3. Do not leave the cleaning cloth in either an open room or lab coat pocket, as d
oing so can contaminate the cloth.
4. If smears occur when cleaning lenses, replace the cloth. Smears are the first indication of a dirty cloth.
CAUTION: Do not u se fabric so ftener when washing t he cleaning cloth or softener sheets wh en drying the
cloth.
Do not use liquid cleaners on the cloth as doing so will contaminate the cloth.
Other lenses can also b e cleaned safely with this Toraysee
TM
cloth.
R59770400 LENS KIT FOR SIM 5W NIGHT VISION 03/04/2009 13
