Jaume Lahuerta wrote:
I some images produced bt my K20D + DA 50-200 I have notices a strange blur,
actually closer to a double image, in some pictures. They are not enough
frequent to send it immediately to a warranty repair, but enough to try to
understand its causes.
Here you have three 100% crops:
http://tinyurl.com/4mwzkp
or
http://picasaweb.google.es/jlahuer/K20DDoubleImage?authkey=NqXDmYt0yRo
They are all below the limits of the 1/focal length rule, but not that much so
SR should be able to compensate it, doesn't it?
So, have you ever experienced something similar?
Can this be due to SR not working properly?
I may have experienced it this weekend, but only with one lens out of
the four I used. I haven't yet checked to see if it's something as
stupid as a dirty lens. I used a K10D with DA 50-200, FA* 300, FA*
200/2.8, and Sigma 400/5.6 APO Macro, no filters on any of them, but
always using the hoods, with SR enabled. Only the Sigma showed the
effect, and it never has done anything like that before. I think it
only happened on panned photos, but I'm still going through them. I was
using the Sigma on a sturdy Manfrotto monopod and ball head combination
that I've used with it before and not experienced the phenomenon.
--
Thanks,
DougF (KG4LMZ)
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