DayStar Filters CALCIUM QUARK Посібник - Сторінка 6

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Care and cleaning:

While not in use, we recommend that users store the Quark with its end

caps on, in a climate controlled environment. The optical filter life

expectancy is extended up to 2-3 times by climate controlled storage.

Do not touch the internal, optical elements of the filter assembly. While

the exterior glass surface coatings are durable, they are easily

scratched. A few specks of dust will have no effect on the quality of the

image, and may be gently blown off with a squeeze bulb. Do NOT use

compressed air cans to blow dust off any optical surfaces. Small

amounts of residual 'film' will not affect visual performance. Fingerprints,

smudges and smears must be cleaned off. Preferred cleaning method is

to return the Quark to the DayStar Filters laboratory for proper factory

cleaning.

Do not unscrew, open or separate your Quark filter assembly. The optical

elements are held under pressure by design and will become damaged if

opened. Opening the optical filter assembly will void your warranty. The

safest cleaning method is to moisten a very soft, lint-free tissue, cloth or

"Qtip" with a pure acetone, methanol, or Isopropyl Alcohol (reagent

grade) and gently whisk away the stain. Do not apply solutions directly to

the glass surface. Stroke from the center of the aperture outward only.

After each cleaning stroke, use a fresh applicator. The fewer strokes, the

better! The metal housing and other non optical parts are anodized

surfaces and can be cleaned with Windex.

Maximizing the viewing experience:

Daytime viewing results in stray light entering your eye that can make it

hard to see through the filter. We recommend a viewing hood or cloth be

placed over your head to limit the stray light that enters your eye,

allowing fainter prominences and more surface detail to be observed. A

comfortable chair also improves the experience, allowing the eye to stay

steady for longer periods so as to pick out more subtle details on the

surface of the Sun.