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Sciencing Daily
I have a 7.5mm fisheye nikkor from the late 60's early 70's, and some of the internal lenses have some mold growing on them. Im not sure if I should just sell the lense as is, or pay to have Nikon open it up and give it a cleaning. What would the general cost be of something like this, and is it even worth doing for anyone other than a collector?