William Optics RotoLock Visual Back Adapter for FLT Focuser 3.5"-2" Upgrade (F-ROTO-A3.5-2)
William Optics RotoLock Visual Back Adapter for FLT Focuser 3.5"-2" Upgrade (F-ROTO-A3.5-2)
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Product Description
New 3.5" RotoLock
Visual Back Only
Available for upgrade now (no more compression ring needed)
Ultra smooth for perfect centering lock
Fits on previous FLT 3.5" Focuser.