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  Reviews by: winty  

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Tamron 28-75mm f2.8 XR Di Zoom AF

Review Date: Dec 1, 2004 Recommend? yes | Price paid: Not Indicated | Rating: 10 

Pros: Sharpness, value, hood included, zoom lock, compact
Slow focus (compared to USM), noisy focus, no FTM

Brutal is the word that comes to mind. Brutally sharp, brutally noisy. This is not a lens that does things by halves. There are some really nice touches, like the zoom lock, and the fact the hood is supplied in the box, and the fact it can focus to (almost) macro distances. I even love the fact the lens cap can be easily removed with the hood on.

It's amazingly sharp but it really is noisy when acquiring focus. The focus ring rotates, and you can't tweak the focus by hand, which is OK because the focus is usually 100% correct. It's not the fastest focusing lens in the world, and in low light it can sometimes "hunt" for focus, which is frustrating.

Build quality seems rugged enough to me, although it certainly feels more fragile when zoomed. The rear end cap won't fit on a Canon lens alas. I think it's amazingly good value for money.

A rough diamond!

Canon EF 17-40mm f/4L USM

Review Date: Nov 22, 2004 Recommend? yes | Price paid: Not Indicated | Rating: 10 

Pros: Very sharp, very 3d images. Well made. Balances well on the camera. Able to focus to 28cm, which seems very close to me. Good range on a 1.6x body. Quick focus.
Ultra-conspicuous with the hood on, slightly conspicuous without the hood on.

All I can say is that this lens seems to be an ideal partner for the 20d. Focusing is incredibly fast and accurate. The f4 can be ameliorated by the 20d's excellent high iso performance. It seems to work much better with the camera than my other lenses (50mm 1.4 doesn't autofocus as well, 24-85mm isn't as sharp). Even comparing to my prime lens, I am truly amazed by the 3d-ness of the images the 17-40L produces. I don't think I will ever regret this purchase.