bought a Sigma 100-400

Started 10 months ago | Discussions thread
earthbound_ca Senior Member • Posts: 2,343
Re: bought a Sigma 100-400
1

Not to be a Sigma apologist but, having both lenses myself, what body did you use?  Even if focus is spot on (which I can't tell from your images), 100 yds can introduce significant atmospheric disturbance that can vary significantly from one frame to another.  Also, is the Sigma a new lens or purchased used?  Finally, for now, (a) did you shoot through glass and (b) do you have the EXIF information?  (sorry, but I have done a range of comparing of my 200-500 with the 100-400 and, other than the difference in  magnification at their respective long ends, both lenses yield an impressive level of detail which, as a sign of mid-level consumer glass, can generally be enhanced with prudent use of sharpening techniques: Your Sigma image falls far short of what I would expect.)

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