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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 19 Dec 2013 (Thursday) 05:02
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Issues with 100-400L Series - Help?

 
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Jan 03, 2014 09:35 |  #46

Birdsfurandfins wrote in post #16574207 (external link)
hello all, after much discussion Mifsuds agreed to take the lens back. They tested against another 100-400 they had in stock and confirmed the other version was 'much sharper' but refused to refund the return postage on the grounds that this was variability within Canon's products and not their fault. I disagree about the second part of that statement, if you are selling a E++ lens and don't both to test it against other lenses or to see if it is sharp throughout the range then I reckon you should pay the postage. They continue to disagree. I have since purchased the 70-300L from MPB photographic.

Thanks again for your invaluable assistance.

IQ falls on both the camera and lens, so it is impossible to really guarantee a lens is sharp for all cameras, due to numerous variables (body, person, etc). Any used equipment rating is really on its appearance as compared to new, and whether everything is operational.


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MikeBurtonPhillipson
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Jan 03, 2014 10:00 |  #47

Should be sharper than the results you're getting... below is a shot i took with my 100-400, wide open at f5.6, 400mm handheld at 1/320 sec.. so even with my dodgy technique i still get sharp results, the 100-400 is a cracking lens IMO..

IMAGE: http://farm9.staticflickr.com/8287/7764664202_c68bdc22f7_c.jpg
IMAGE LINK: http://www.flickr.com …/30388254@N06/7​764664202/  (external link)
Female blackbird (external link) by Mike Burton Phillipson (external link), on Flickr

5DmkIII | 7D | 24-105 f4L IS | 70-200 f2.8L II IS | 100-400 f4.5-5.6L IS | 100mm F2.8 Macro | 15-85 IS | 400D | Tokina 10-17 fisheye | 400D Ikelite Underwater housing |
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hania
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Jan 03, 2014 14:22 |  #48

Birdsfurandfins wrote in post #16574207 (external link)
hello all, after much discussion Mifsuds agreed to take the lens back. They tested against another 100-400 they had in stock and confirmed the other version was 'much sharper' but refused to refund the return postage on the grounds that this was variability within Canon's products and not their fault. I disagree about the second part of that statement, if you are selling a E++ lens and don't both to test it against other lenses or to see if it is sharp throughout the range then I reckon you should pay the postage. They continue to disagree. I have since purchased the 70-300L from MPB photographic.

Thanks again for your invaluable assistance.

I did complain to Canon Service centre that it was soft (and seemed softer after a repair) and was told "it was within Canon's tolerances" - so a catch-all phrase they obviously often use if a lens ins unacceptablely (to us) soft.


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Issues with 100-400L Series - Help?
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