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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 22 Sep 2009 (Tuesday) 10:51
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Best date codes on 100-400mm?

 
ingraman
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Sep 22, 2009 10:51 |  #1

So some research on the web tells me that later versions of the Canon 100-400mm lens are more consistent in terms of IS and sharpness than earlier copies. I hear the term "secret upgrade" thrown around. Is there any transition date that this started occuring (eg. UT/UU/UV)?




  
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mikekelley
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Sep 22, 2009 10:57 |  #2

Started at UZ, obviously


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stonyzmom
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Sep 22, 2009 11:00 as a reply to  @ mikekelley's post |  #3

Mine is UW and I feel like I have a good copy. If I have problems it's more likely me than the lens.


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ed ­ rader
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Sep 22, 2009 11:07 |  #4

ingraman wrote in post #8688605 (external link)
So some research on the web tells me that later versions of the Canon 100-400mm lens are more consistent in terms of IS and sharpness than earlier copies. I hear the term "secret upgrade" thrown around. Is there any transition date that this started occuring (eg. UT/UU/UV)?

Romy, aka liquidstone, has a very sharp 100-400L. his was made in 2005.

ed rader


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5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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dabler
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Sep 22, 2009 12:11 as a reply to  @ ed rader's post |  #5

Mine was made in 2006 and i have a really good lens. I cant see the specific year making a difference though, more to do with slight variation from lens to lens.
I could be wrong though.

This is a 100% crop from my lens, ISO 400, 1/800@F8 taken at 400mm on a monopod.


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Omaru
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Sep 22, 2009 12:14 |  #6

Older date codes = better quality?


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ed ­ rader
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Sep 22, 2009 12:41 |  #7

Omaru wrote in post #8688878 (external link)
Older date codes = better quality?

some say "newer date codes" got the silent fix.

imo, long lens + 2-stop IS + 1.6 crop + FNGs = soft copies :D.

ed rader


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5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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NeoTokyo
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Sep 22, 2009 14:06 |  #8

FNG's! LOL

We were ALL FNG's once :D


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Best date codes on 100-400mm?
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