Small white dots on periphery of front element

ironlionzion · 03-10-2012, 10:03 AM

I just bought a M 35mm f/2 lens from craigslist, but noticed that there are white dots on the inside of the front element. They are only at the periphery of the element, where it seems like the the front element is glued to black metal/plastic. Is this the glue breaking down? Has anyone else seen things like this? Will it further deteriorate? Sorry I don't have my DSLR with me, so I can't take any pictures of the lens. I've tried to look it up, and it seems like it may be "white spot disease" common to Rokkor 28mm, but I can't find any photos of it. I'll be grateful to any tips on what it might be! I paid $50 for the lens, so I hope I didn't get ripped off!

ironlionzion · 03-10-2012, 10:10 AM

Just found that it suffers from the sticky blade problem too....ugh never doing a craiglist deal outside in 20 degree weather - apparently I'm not able to think correctly...

03-10-2012, 10:03 AM	#1
ironlionzion Veteran Member Join Date: Dec 2010 Location: Dallas, TX Posts: 409	Small white dots on periphery of front element I just bought a M 35mm f/2 lens from craigslist, but noticed that there are white dots on the inside of the front element. They are only at the periphery of the element, where it seems like the the front element is glued to black metal/plastic. Is this the glue breaking down? Has anyone else seen things like this? Will it further deteriorate? Sorry I don't have my DSLR with me, so I can't take any pictures of the lens. I've tried to look it up, and it seems like it may be "white spot disease" common to Rokkor 28mm, but I can't find any photos of it. I'll be grateful to any tips on what it might be! I paid $50 for the lens, so I hope I didn't get ripped off!

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03-10-2012, 10:10 AM	#2
ironlionzion Veteran Member Join Date: Dec 2010 Location: Dallas, TX Posts: 409 Original Poster	Just found that it suffers from the sticky blade problem too....ugh never doing a craiglist deal outside in 20 degree weather - apparently I'm not able to think correctly...