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Forum: Repairs and Warranty Service 04-06-2019, 11:27 PM  
Vivitar 85mm 1.8 issue
Posted By Didless
Replies: 6
Views: 817
Thanks for both of your responses there. I think I'll leave it as is in that case for now.
I've been enjoying experimenting with some of the older glass, as well as cleaning some lenses up, it's very satisfying giving them a new lease of life!
Forum: Repairs and Warranty Service 04-06-2019, 02:12 PM  
Vivitar 85mm 1.8 issue
Posted By Didless
Replies: 6
Views: 817
Thanks for your input, that's handy to know! Is it easily cleaned/worth opening up to try and clean do you think?
Forum: Repairs and Warranty Service 04-06-2019, 09:02 AM  
Vivitar 85mm 1.8 issue
Posted By Didless
Replies: 6
Views: 817
Hi everyone,
This is my first post here. I've found the forums and lens reviews a fantastic resource (thank you!) and I hope that you more experienced folks out there might be able to help with a lens issue I have.
I recently bought a Vivitar 85mm f1.8 Lens on eBay. I've heard this is a fairly rare lens, and so far has not disappointed.
Everything is in fantastic condition with it, apart from some odd marks on the glass in the front lens group. I was wondering if anyone could help identify what it might be from the photo below.
Could it be fungus? I've never seen a fungus look like that, but perhaps you have? It almost looks liquid, or like a glass defect perhaps. My best guess would be fungus that has secreted something that's eaten the lens coating, but I've never seen what that looks like, so that's a stab in the dark!
If anyone has any ideas I'd be interested to hear. I have taken out the front element to check it, but whatever it is, its on the back of the element behind which is not so easily accessible.
If it's something that can be cleaned/rectified I might look at opening it up further.
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