I've got a Rodenstock 80mm f/4 Rodagon enlarger lens (which I've used a couple o f years), and it's got two minor problems. Can I fix these problems myself with out damaging anything?
1. I see a little dust etc (other light marks) on the lens; don't know if any of that is inside. I blew off (new can of air) all I could. I'm very leery of "c leaning" the lens! I'm aware one should not pour a few drops of lens cleaning f luid on there, because of danger of it seeping down inbetween the elements. Que stions: should I dampen a soft cloth with cleaning fluid and wipe the lens softl y? If some of it then appears to be on the inside, is there any harm in unscrew ing the top element on front and back and blowing it out or wiping those element s??
2. The click stops no longer work. This lens has a sliding button to turn on/o ff the click stops, and it's clear that something is blocking the sliding action of this button/switch... is that something I can reach and fix if I take things apart?? Presume I would need to buy a lens spanner? thanks, David
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