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Canon EF 24-105mm f/4L IS USM

24-105lisusm
Review Date: Jun 14, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 10 

 
Pros: Great build quality, not too heavy, fast and silent USM, sharp (enough) wide open, and sharp (enough) from 70-105, an ideal walkaround with a 10-xx on a 1.6x camera
Cons:
Bit pricey, but it's the only option in its range

I love this lens... the USM is great, and i'm particularly impressed with the accuracy of the focus at wide angle. For example, with a lot of lenses i've used in the past, taking advantage of the parfocal nature of the lens to zoom in, focus, then zoom out again often gets better results

However with the 24-105, focusing @ 24mm then zooming in to 105mm and re-focusing more often than not results in NO adjustment to the focus. I guess it's small things like that that make a lens an 'L'

The zoom ring is a bit stiff but that'll loosen up over time. Rather stiff than loose !

The lens is simply a joy to use.

Some may argue F/4 isn't fast enough - but there is no faster alternative with the range, which suggests to me that, given the weight of Canon's 24-70 F/2.8, a 24-105 F/2.8 would be impractical to use as a walkaround lens

It's an ideal compliment to my Sigma 10-20, which covers the wide angle nicely. 24mm on a crop camera is wide enough of my usage, and I don't find myself wanting to swap lenses every five minutes. Also, i found that 18/17mm isn't wide enough for me in many situations - so having an extra lens to cover the ultra wide was ideal

Highly recommended - you get what you pay for, the only lens in its range, and some serious quality for it too



 
Sigma 10-20mm F4-5.6 EX DC HSM

111_small
Review Date: Jun 4, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 9 

 
Pros: fast, silent focus; very wide angle; limited distortion for an UWA; sharp pictures; great colours; priced well below competition
Cons:
shame it's APS-C only

I was a little hesitant at first, particularly after reading on the forums about the notorious "soft right hand side" issue. However, I didn't want to spend nearly double on Canon's lens, which in my opinion didn't feel nearly as solid as the Sigma when I handled the two lenses before buying.

However, it goes to show that many users only complain when there's something wrong, and won't create a fuss when the lens is as described! I'm very happy with my copy, and don't notice any real softness at the sides at all.

It's a shame that there's such a big difference between 10mm and 12mm and that there are no 10mm full frame compatible lenses available so these 10-xx lenses aren't totally future proof, but they're well worth the fun to be had for a good few years yet

The lens is very solidly built, focuses quickly and without any problems, and comes with a padded case and petal hood. It focuses internally, and the lens doesn't change much in size when zooming. Overall, it's a very well built lens and doesn't unbalance the camera at all

The pictures are sharp, and the colours are great. There's no more to say - the lens is fantastic, and if you take into the account the saving to be had over the Canon equivilent, it becomes even better

Highly recommended - don't let the horror stories put you off!