Canon FD lens gurus: what is it and how can I get rid of it?? :(

Started Oct 28, 2012 | Questions thread
RussellInCincinnati Veteran Member • Posts: 3,201
spanning wrench is a great thing to have for lens nuts


Glad you're getting a spanning wrench. Having one is a stress reliever and nicer-than-cable-tv entertainment for people who care about cleaning old lenses, tiny bits of dust inside their lenses, etc. Yes can see from your description that the Canon nFD 50/1.8 must have a screw-type vanity plate on the front of the glass. Heck that's better than the 50/1.4 pry-off type, once you have the neat spanning/retaining ring tool.

Of all the lenses in the world that have "some" fungus, most will be fine after perfectly ordinary, quick cleaning if you can get to the inner surfaces. It takes a not-typical, heavier fungus to etch the lens surfaces in a way that has a practical impact on photographs. My nFD 50/1.4 was such a cheap, great deal because of the seller's and other buyers' horror of the obviously quite light fungus it had.

Always fun to review the great perspective on the issue of lens "flaws" from the Kurt Munger article. The fundamental issue is the tiny percentage ´╗┐of a lens' surface that is occupied by flaws, dust specs, etc.

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