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Archive 2011 · Roger Cicala looks at lens variation and getting a 'good ...
  
 
jcolwell
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p.1 #1 · Roger Cicala looks at lens variation and getting a 'good copy'


Go Roger!

http://www.dpreview.com/articles/7333489584/variation-facts-and-fallacies



Nov 25, 2011 at 10:12 PM
Chris B.
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p.1 #2 · Roger Cicala looks at lens variation and getting a 'good copy'


Another superb, well-written and easy-to-understand article... Thanks, Roger!


Nov 26, 2011 at 04:26 AM
saaketham
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p.1 #3 · Roger Cicala looks at lens variation and getting a 'good copy'


Nice


Nov 26, 2011 at 12:00 PM
RCicala
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p.1 #4 · Roger Cicala looks at lens variation and getting a 'good copy'


Chris B. wrote:
Another superb, well-written and easy-to-understand article... Thanks, Roger!


Thank you for the kind words, Chris, and for posting the link Jim!

Roger



Nov 27, 2011 at 08:48 PM
 

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abam
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p.1 #5 · Roger Cicala looks at lens variation and getting a 'good copy'


the lensrentals.com blog in general has a lot of good photographic writing on offer. love the 'history of photography' series.




Nov 27, 2011 at 08:59 PM
jcolwell
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p.1 #6 · Roger Cicala looks at lens variation and getting a 'good copy'


Gotta love that hat, Roger!


Nov 27, 2011 at 10:52 PM
LeifG
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p.1 #7 · Roger Cicala looks at lens variation and getting a 'good copy'


Very informative, and very clearly written. Although I was aware of the causes of sample variation, to see such a large amount of real data is illuminating (no pun intended).


Nov 29, 2011 at 08:32 AM
Wrei
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p.1 #8 · Roger Cicala looks at lens variation and getting a 'good copy'


Enjoyed the article. Having been a quality engineer, I am quite aware of tolerance stack-up. Of course, part of my job was to ensure the stack-up would not compromise the requirements or standards for the component, subsystem or system. I would think camera manufactures do the same. The question is what is the standard for sharpness stack-up for any given camera "system" (camera, lens combination)? I am sure they have a requirement for this and is verified and validated prior to final acceptance.


Nov 29, 2011 at 07:09 PM





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