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next PZ lens test report: Sigma AF 50mm f/1.4 EX HSM DG (full format)
[quote name='Rainer' date='03 June 2010 - 11:13 PM' timestamp='1275599612' post='161']

Sorry, yes, I was commenting on Klaus ...

(a minor drawback of the new forum ... it is not that

obvious where the "uplink" goes to).

I use the 50L with my 5DMkI ... and I couldn't say

that I notice AF failures that I could blame to the

focusshift often (and if I do, they could be as well

my fault) ... but then ... I rarely use the 50L for subjects

nearer than about 1.2mtr.


I found that a well-calibrated 5D Classic and well-calibrated 50L do give obvious errors at times, probably about 1 in 20 of relatively close subjects (where it would generally be clear it was quite off, not just user error). This goes away with a 50D or 5D II <img src='<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Tongue' />.

Even so, I think that if you want some fun, I suggest you try some real close-ups with the 50L and an extension tube, or two. You may well be pleasantly surprised with the results <img src='<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Smile' />. Ideally you'll need the EE-S focusing screen, and focus by moving closer and and away again, until you find the correc focusing point. Use F/8 or so, unless you want to do really special effects. And iso 1600 is not a problem either <img src='<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Big Grin' /> (I do this relatively often, handheld, and even up to iso 3200 and occasionally iso 6400 on the 5D II).

[Image: astrantia05.jpg]

Kind regards, Wim
Gear: Canon EOS R with 3 primes and 2 zooms, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, tubes; Olympus OM-D 1 Mk II & Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ....

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next PZ lens test report: Sigma AF 50mm f/1.4 EX HSM DG (full format) - by wim - 06-03-2010, 09:32 PM

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