ScopeGuard Cases certainly thinks so. Our Opti-Dry units are used exclusively in their top of the line telescope transport cases. Opti-Dry is not just some run of the mill product. It was designed specifically with Astonomers in mind. Each unit is capable of protecting up to 40 square inches. Filled with a highly absorbant dessicant it will take any moisture and quickly eliminate it. Moisture left unchecked can wreck havoc on your optics and coatings as well as any exposed metal. Why chance it?
Each unit is:
Compact (2.25" round x 5/8" thick)
Try one or two today and see for yourself. Each unit comes with two dessicant charges and velcro for securing to your desired location. In addition your foam can be cut to size to accomodate them as in ScopeGuard cases.
16.95 Each or Two for $28 including Shipping and Handling
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14401 Pine Lily Drive
Fort Myers, FL 33908