Long zoom for sports photos
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12-04-12, 01:35 PM
Join Date: Jul 2009
Location: Peak District
Like the Sigma 150-500 over the Canon 100-400 for the extra 100mm and the good OS
Like the Canon over the Sigma for the build quality, rather like the push-pull zoom action (but the barrel lock can fail - but then the Sigma only has a lock when unextended)
I've had better results with the Sigma than the Canon
Originally Posted by
The Canon 1.4x and 2x extenders will only work with L series telephoto or telephoto zoom lenses, so if going this route, be careful which lens you buy. See
for a compatibility chart. I think you also lose a couple of stops, so they are only useful in good light conditions.
You could always use a Kenko TC which'll fit most lenses and is of equal quality of output to the Type II Canon (the Type III is considerably better!). I had a Canon 1.4x II and binned it for the Kenko 1.4x Pro300 (sold the Canon for 3 x what I paid for the Kenko). I use the 1.4x as the IQ dropoff isn't too bad, whereas the 2x would be too much for me - and I only lose 1 stop vs the 2 stops with the 2x
Be aware that adding a TC which makes the aperture of the lens f/8 (like on a 100-400 @ f/5.6) will prevent AF on most Canon cameras (unless you use the pin tape trick)
Originally Posted by
Looking at the reviews of the lenses, already mentioned by others, on the Warehouse Express site (WEX): The Sigma 150-500 seems to get fairly mixed
, from 14 reviewers, the Sigma 50-500 only has a couple of
, so is difficult to judge, the Canon 100-400 seems to be generally liked by all 26
, it's also on the extender compatibility chart, if you did want to go even longer!!
Don't forget there're 2 x Sigma 50-500s now: the original Bigma and the newer OS version - the OS version is very well rated and would appear to outperform the 150-500
If it moves then snap it. And if it doesn't move snap it twice in case it does move!
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