Soft, water resistant 210 denier nylon cap with sewn-in elastic band that makes a tight seal to keep out dirt and moisture. A must for all telescopes.
ATTENTION: DOB OWNERS
The CAPS listed below are for the DOBS TUBE DIAMETER and are NOT the Mirror size. Truss Types usually run LARGER.
If you are not sure please measure your O.D. and contact us by email before ordering.