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Cleaning Scratches on Lenses |
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Stud Duck
Optics Journeyman Joined: May/20/2005 Location: WV Status: Offline Points: 508 |
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Posted: May/26/2005 at 08:41 |
Do light to extremely light cleaning scratches affect a binoculars performance in any way?
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SteveSF
Optics GrassHopper Joined: May/17/2005 Location: United States Status: Offline Points: 37 |
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Just my humble opinion:
I don't think so. I guess that the theory is that scratches cause diffraction from the glass surface. In practicality, I don't think that the effect is noticeable. In a related example, I recently bought an older 7x50 binocular and then found that there was a very noticeable amount of fungus growing inside, on the lenses and prisms. The image quality, however, was the best that I had ever seen in this size binocular, or any binocular. Sharpness and contrast was great. I am debating whether I should send it to a repair shop for internal cleaning. I got at a good price, and the cleaning would probably cost more than what I paid. I would suggest that you don't worry about any existing scratches, but take care to not add any more scratches.
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David
Optics Optimist Joined: February/06/2004 Location: United States Status: Offline Points: 283 |
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I've looked through many with light cleaning scratches. Nine out of ten times they are in the coatings, and they are not visible at all when looking through the binos.
If they are in the glass? It will be apparent. Which is easy to tell, because you can run your finger nail across it, and it will be obvious.
We will be glad to hand inspect any pair on the Sample List you are interested in.
Dave Edited by David |
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