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PostPosted: Fri Apr 09, 2010 10:54 pm 
Hi folks, I've got my eye on a used Sigma 135-400mm (canon fit)lens on ebay. It seems cheap, it's currently at £100. The listing states that it has one small speck of metal or dust on the inside of the front glass, but that it has no effect on the images. Is the seller right in saying it will not affect the images notably? And also, is this a good lens at a good price?

Any help and advice would be greatly appreciated, this is a rather large investment for a teenager!

Picture showing the dust/metal (circled)


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PostPosted: Fri Apr 09, 2010 11:07 pm 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8087
Location: UK
Specks like that generally wont be significant.

If it's auction, you never know what it will end up until the last second as there will almost certainly be snipers.

Canon DSLRs: 7D2, 7D1, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 85/1.8, 135/2+SF, 70-300L, 100-400L, 100L, MP-E 65, EF-S 10-18, 15-85
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 50/1.4A, 150 macro, 120-300 f/2.8 OS
Compacts: Sony HX9V, Fuji X100.

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PostPosted: Sat Apr 10, 2010 9:15 am 
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Joined: Sun Feb 15, 2009 12:59 pm
Posts: 6010
Location: The Netherlands
You might see it at 135mm F/22, but that's very unlikely.
With longer lenses, you can practically stick your camera into a fence, and the gridlines won't show up, so I doubt that little speck will show up in your shots ;)

I take pictures so quickly, my highschool was "Continuous High".

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