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Canon EF 100mm f/2.8 Macro USM

ef_100_28_1_
Review Date: Mar 20, 2006 Recommend? | Price paid: Not Indicated

 
Pros: Vey Sharp, Good manual focus, generally high build quality
Cons:
Surprisingly loud autofocus

Performs extremely well optically but the autofocus is a bit rough and surprisingly noisy when focussing. I thought ring USM was suppposed to be "near sient"

In my opinion no better than the some of my cheaper Canon lenses. Definitely not in the superquiet "L" autofocus class.

Overall a great lens let down by noisy autofocus

 
Canon EF 100mm f/2.8 Macro USM

ef_100_28_1_
Review Date: Mar 19, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 9 

 
Pros: No issue with the established excellent optical performance of this near legendry lens. seems to work extemely well on both Canon digital and film bodies (20D/1V).
Cons:
Slightly disappointed with the USM which is not like the truly silent autofocus mechanism of the L lens

Probably the best canon lens I currently own but found the autofocus a bit "rough" sounding. Abit like the cheaper EF lenses even though this fairly expensive bottle comes with the USM logo.

I am puzzled that no one else has picked this up??

Build quality is generally high with no real complaints and optical performance truly exceptional - even wide open.

Overall highly recommended