Lens polishing?

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There is a product named Polywatch you may want to look into. It was originally designed to restore watch crystals made of acrylic.

If the scratch isn't very deep it might help. However, if the lens is coated it would cause more damage than it would repair. Since this is the lens surface in contact with the water, the scratch is likely not going to be noticeable, unless you have strong side lighting sweeping across your lens.

Try some test shots underwater, then see how bad the scratch really is.
 
If it is the Nikon 10.5 that he is talking about, I sincerely hope that it isn't touching the water. Focal Point in Colorado can probably polish it out for you. Ultraflat on Sherman Way might also do it, they do lots of movie stuff but I don't know about Nikon glass.

Bill
 
There is a product named Polywatch you may want to look into. It was originally designed to restore watch crystals made of acrylic.

If the scratch isn't very deep it might help. However, if the lens is coated it would cause more damage than it would repair. Since this is the lens surface in contact with the water, the scratch is likely not going to be noticeable, unless you have strong side lighting sweeping across your lens.

Try some test shots underwater, then see how bad the scratch really is.

It's a Nikon lens, it's coated, so don't mess with it.
 

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