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Canon EF 70-200mm f/4L USM

ef70_200_4_1_
Review Date: Aug 26, 2005 Recommend? yes | Price paid: $580.00 | Rating: 10 

 
Pros: Fast, ultra quiet focus, sharp
Cons:
None

Based on the recommendations on this site I sold my EF 75-300mm IS and purchased this lens. I cannot be happier with that decision.

The lens is ultra sharp and has great color and contrast. The AF is fast and silent, and the build quality is outstanding.

So far I do not miss the IS. I easily took shots at 200mm and 1/100 without camera shake.

If you are considering the 75-300IS...don't. For only $100 more step up to "L" quality.





 
Tamron 28-75mm f2.8 XR Di Zoom AF

28-75mm
Review Date: Jul 28, 2005 Recommend? no | Price paid: $369.00 | Rating: 3 

 
Pros: Size, Price
Cons:
Erratic focus

I purchased this lens and it had a serious front focus problem especially at distances > 10ft at f2.8.

While making test shots you could easily see the objects in foreground of the picture that were in focus rather than the intended subject. I would estimate about 1 in 5 shots were properly focused.

I returned the lens and received a second one with the exact same problems. I felt it might be something wrong with my body so I borrowed my father's 300D and experienced the same problems.

I called Tamron and they explained that the lens needed to be calibrated for the digital SLR body and that due to the nature of the work, turnaround time is about 3 to 4 weeks. Not knowing what I would get back from Tamron I returned the second copy as well.

Given the above facts, I must also say that photos at f5.6 and f8.0 were sharp with very few focus problem.

I think I will give this lens another shot in about 6 months, hoping that Tamron gets their QC issues under control.