I have inherited my grandfathers Leica Flex and three Leitz Wetzlar Elmarit R Summicron lenses, a 35mm f2.8, a 50mm f2, and a 135mm f2.8. Its a pretty cool collection, he even sent the original warranty and booklet of the product line, as well as some leica lens containers and some leather lens cases. Anyways, i ordered an elmarit r to EOS adapter and plan to adapt the lenses to my 600d. I noticed that the foam lining the leathers lens cases has dry rotted and made its way as chunky foam dust into the 135mm lens. KEH camera said they charge a flat $130 to clean an entire lens out, is it worth it or would I be better off opening it up to clean myself? The tools to dissasemble a lens are pricey but cheaper than $130..

