Question about Cameras
Little fungus on the underside of front lense
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: I have quite a lot
Holy Smokes, well if I were you right now I'd put it back together and send it to Sigma for repair cause you dismantle a lens like that there is no way you are going to align those lens elements without the proper equipment.
Using anything more then lens cleaner for camera optics will in fact remove the coating from the lens.
What you have isn't like the lenses from a "View" camera where it was possible to remove one lens group and replace with another but, those lenses were made and used 70 years ago.
Lens technology has changed a bit since then.
I had a manual focus Nikon F2.8 lens one time that had a coating separation on the front element that caused some wicked flare. I took eye glass cleaner and Windex to it to remove the rest of the coating so I could continue the shoot. I then sent the lens to Nikon for repair.
Best of luck with that one
Posted on Apr 27, 2011
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