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  Reviews by: powerear  

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Canon EF 70-200mm f/4L USM

Review Date: Apr 14, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 10 

Pros: very sharp overall at f4, light, almost perfect build, colors, USM
none, maybe a better integrated hood like at the 300/4l

I used the lens with the 30D and the 17-40L, which makes a very nice and carryable combo. First I though about the Sigma 100-300 but I had problems with Sigma lenses in the past. My Canon were always perfect after years of use. And 300 may be a bit to long without IS. I bought the 70-200L and I very pleased with it.
The lens is very sharp in the corners at f4 and gets only a very small bit better at 5.6. If you keep the DOF in mind the lens is always useable at f4. Very nice boket. Very fast focus.
I used to have a 300L4, which was not much better in sharpness in the field. I sold it because for my use it was to long at a crop camera.
Build quality is perfect. Dust proofing would be nice. Itīs light enough to carry always with you. That the most important thing in my opinion. The 300L4 has always been a bit to heavy, this one is nice. Itīs small enough to fit in the pocket of my outdoor jacket.
Think that over when you compare with the 2.8. Keep in mind that the DOF getīs very small with 2.8 on low distances what meens you have to step down. I shot some photos in the zoo from a distance of 2m and the DOF was not more that 5 cm at f4.
IS would be nice but I use a monopod.
Price is good, but relatively more expensive in europe than in the USA. The 2.8IS is much to pricey in comparison.

Canon EF 17-40mm f/4L USM

Review Date: Apr 14, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 8 

Pros: build quality, colors, fast focus, sharp at 4, very sharp at 8.
Hood is too big at a crop camera. At a 1.6 or 1.3 crop camera the EW-83D II seems to be able to use. Itīs the hood for the EF24L. The range could be better. 17-60 would be very nice. Fully dust proof only with a filter.

I use this lens with a 30D and the 70-200/4. At f4 itīs sharp in the middle but could be a bit sharper in the corners. It is still on high level but keep in mind itīs not a 2.8 where you get better result one step slower at 4, you have to use the f4 at many cases. f8 very sharp overall. It plays on a very high level but I would only give it a 10 when it would be fully usable at f4 like a 70-200/4 which is overall very sharp at f4. Very nice color reproduction.
Build quality is very good but a filter should be used to make the front element dust resistant. I use a B&W UV MRC a very good and good to clean filter. In my opinion the best standard zoom you could buy for a crop camera. Comparable to the 24-105L on a full frame but cheaper and with cashback at the moment in europe.
I am not sure if this lens fits the demands of FF users.
Keep also in mind that a EF-S lens like a 17-55 is not usable on EF cameras like the 1D Versions or the 5D. I plan to upgrade to a used 1Ds when I can affort it and this lens would fit where a ef-s lens would not.
Hood is crab, none or two hoods for crop or ff should be delivered with the lens. Itīs not very userfriendly to be forced to sell the EW-83E to get a EW-83D !!!???