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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 Jan 2012 (Saturday) 10:11
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Sad, sad day

 
CSMFoto
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Jan 14, 2012 10:11 |  #1

So I was just about to take a photograph of my business card with my Sigma 17-70mm 2.8, opened up the cap and would you look at that? Couple of scratches are on the glass! :evil: WTF?!? Where did these come from? So angry right now. My question to you is where can I send this or take it to get a resurfacing?!

Do I have to send this back to sigma?:evil:

Such a sad day :~(


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Unregistered.Coward
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Jan 14, 2012 10:15 |  #2

Have you taken a photo with said lens to see if the scratches actually matter?


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Virto
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Jan 14, 2012 10:19 |  #3

At worst, you might have lost some flare resistance. As Lensrentals has shown, even a lens with a smashed front element can produce excellent photos.

I'm sure I have some scratches as well. They're nothing to worry about.


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CSMFoto
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Jan 14, 2012 10:29 |  #4

phew okay. They're less than about 1/8 of an inch but I didn't wanna have to do all kinds of repairs on it.


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jra
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Jan 14, 2012 13:03 |  #5

CSMFoto wrote in post #13703277 (external link)
phew okay. They're less than about 1/8 of an inch but I didn't wanna have to do all kinds of repairs on it.

It they are that small, you'll probably never notice them in a photo.




  
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rick_reno
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Jan 14, 2012 13:11 |  #6

If it impacts iq, a trip to sigma would be a good idea




  
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ben805
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Jan 14, 2012 13:21 |  #7

that's the risk you take when people like you do not like to put UV filter on the lens, the only thing it may affect is flare/glare and resale value, other than that ignore the scratches and keep shooting.


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Jan 14, 2012 13:41 |  #8

CSMFoto wrote in post #13703214 (external link)
...My question to you is where can I send this or take it to get a resurfacing?!
...

Resurfacing would need new polishing and coating - that is more expensive than a new front lens.


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CSMFoto
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Jan 14, 2012 14:21 |  #9

ben805 wrote in post #13703902 (external link)
that's the risk you take when people like you do not like to put UV filter on the lens, the only thing it may affect is flare/glare and resale value, other than that ignore the scratches and keep shooting.

I did have one on, I forget why its not on...have filters on all lens I have


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DreDaze
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Jan 14, 2012 14:27 |  #10

have you tried cleaning the surface?...i doubt the scratch if real will affect I.Q., how did the business card picture come out?


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PHughes
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Jan 14, 2012 14:30 |  #11

ben805 wrote in post #13703902 (external link)
that's the risk you take when people like you do not like to put UV filter on the lens, the only thing it may affect is flare/glare and resale value, other than that ignore the scratches and keep shooting.

Mmmhmm, yeah... no. Sorry, scratches usually occur due to poor cleaning techniques. I have never scratched a lens in almost 30 years at this and never use filters for protection. I use lenses for photography and am not going to slap a filter on and degrade the image for the sake of the small infinitesimal chance I might possibly get a scratch on my lens. In general use you won't scratch a lens. You won't scratch a lens by having sand blown on it from the wind, I've shot under those conditions many, many times. You won't scratch a lens very easily at all, unless you use a cloth to clean your lens that has sand in it, use too much force while wiping it, fail to first blow off any dust or sand, or break a filter on for protection and have the shards scratch the lens.

Lenses aren't that soft. They hold up very well. Cleaning a lens is how most lenses are scratched--period.




  
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ben805
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Jan 14, 2012 15:59 |  #12

PHughes wrote in post #13704187 (external link)
I have never scratched a lens in almost 30 years at this and never use filters for protection. .

Yea tell that to the OP. It's like saying yea I have been driving for 40 years without wearing seat belt and look I'm still alive and fine .:rolleyes: :rolleyes: He is the one with scratched front element, maybe you should pay for his repair. :rolleyes:


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lucasmcd
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Jan 14, 2012 16:31 as a reply to  @ ben805's post |  #13

I know this issue raises its head every now and then but I am in the no filter camp , a lens cap does just fine for me ;).

I think walking around with a UV filter on is like walking around with a helmet on your head just in case you walk into a pole :D


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Jan 14, 2012 17:51 |  #14

:D

lucasmcd wrote in post #13704693 (external link)
... walking around with a UV filter on is like walking around with a helmet on your head just in case you walk into a pole :D

Actually, your analogy is spot on. If you want to minimize injury, you drive a car with air bags, wear a seat belt, wear a helmet, etc. Makes sense, doesn't it?
However, if you believe that the odds will always be on your side, then you skip the precautions.

There really is nothing to debate here.

BTW - You enjoying summer? We want it back.


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JAbberwocky
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Jan 14, 2012 17:58 |  #15

lucasmcd wrote in post #13704693 (external link)
I know this issue raises its head every now and then but I am in the no filter camp , a lens cap does just fine for me ;).

I'm on the other camp. I rather clean my filter 100 times and junk it when it gets old, rather than clean my front element 100 times. The coating on lenses are not as durable as the glass, glass is hard, but each time it is cleaned, some of the coating gets taken off.


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Sad, sad day
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