- 1). Blow any loose dirt off the lens, using the blower bulb, starting at the center of the lens and working towards the edge. Gently brush away any stubborn particles, using the camel hair brush and the same method. If you see materials other than dust on the lens, such as eyelashes or other debris, do not not brush them -- they could scratch the lens.
- 2). Make several balls from the sterile cotton. Soak a few balls in the cleaning solution, then squeeze them sufficiently to stop any dripping.
- 3). Wipe the lens thoroughly with a wet cotton ball, applying no pressure other than the weight of the cotton. Immediately wipe the lens with a dry cotton ball, using little or no pressure.
- 4). Repeat Step 3, using fresh cotton balls and very light pressure. Blow off any surface lint, using the bulb.
- 5). Examine the lens and cell to be sure they are free of cleaning solution. If liquid is found anywhere, leave the telescope with the objective lens uncovered in a warm place until it is dry.
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