GEOPTIK SOFT DUST CAP

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Practical dust-cover for all types of telescopes. Prevents dust and moisture from entering the optical tube and reaching the primary and secondary mirrors. Can also be used to cove r the primary mirror. Available in 3 sizes: # 30A115 - for telescope tubes 150 to 250 mm in diameter # 30A116 - for telescope tubes 270 to 360 mm in diameter # 30A117 - for telescope tubes 370 to 520 mm in diameter Show more