Overgaard Posted September 3, 2007 Share #1 Posted September 3, 2007 Advertisement (gone after registration) I noticed today that my M4 has some small 'scratches' in the center focusing area that looks like the inner structure of leaves. I wonder if that is fungus. I hope not. Any suggestions or experience with this phenomena? Link to post Share on other sites More sharing options...
Advertisement Posted September 3, 2007 Posted September 3, 2007 Hi Overgaard, Take a look here Fungus in M4 viewfinder?. I'm sure you'll find what you were looking for!
harryzet Posted September 4, 2007 Share #2 Posted September 4, 2007 its the cement coming loose. i had this in a m2 i owned years ago. expensive, alas Link to post Share on other sites More sharing options...
Guest tummydoc Posted September 4, 2007 Share #3 Posted September 4, 2007 Balderdash. That's not at all how prism de-cementation presents, and in any case only the earliest (i.e. <1,200,000# approx) M4s are subject to it, as Leitz began using a different type of cement around 1969. The symptoms you describe are most likely a dirt+oil deposit pattern, but even if it is a bit of fungus it rarely ever leaves permanent etching on the rangefinder optics and most often can be nearly or completely removed with a proper cleaning. The expense would be dictated by where the deposit is located and whether any other work needs to be done. Link to post Share on other sites More sharing options...
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