On 6/27/2013 11:42 AM, Zos Xavius wrote:
I would try some methanol (eclipse, sensor cleaner, etc) or failing
that alcohol. The optics could be fogged internally though... :/
I'd be cautious with any potential solvent. I once tried to clean the
ground "glass" focusing screen on a PZ series camera with isoproanol and
learned it was actually some sort of plastic - and it instantly fogged
when exposed to alcohol. It went straight to Pentax repair for a new
focusing screen. I had clear actual ground glass on manual focus (LX,
MX, ME's) before with no problem, so I thought nothing of it. I know
this is a finder and not a focusing screen but be sure it is actual
glass before using a solvent.
Mark
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