Quicklens 2.8 Fix Instant

: A popular "quick fix" for this specific lens is applying a 65mm x 1.5mm O-ring just below the zoom ring to add friction.

: If the lens won't communicate at f/2.8, clean the gold metal contacts with a pencil eraser or a Q-tip with a tiny amount of alcohol. 3. Software/Coding Library QuickLens 2.8 fix

Are you trying to resolve a in a specific app or a mechanical issue with a photography lens? Pentax-M 28mm 2.8 Disassembly and Sticky Aperture Repair : A popular "quick fix" for this specific