Average Reviews:
(More customer reviews)This is an excellent choice if you're interested in close-up and macrophotography -- it's sharp corner-to-corner, and you get life-size photos down to the size of a large bug. Usually you end up focusing macro shots manually, and the Tamron manual focus ring travels about 270 degrees, giving lots of smooth fine-tuning capability.
For portraits and medium telephoto shots, the autofocus capability works well but it's audible. You can set a limiting switch so that it won't hunt through the entire range, from 8" to infinity. It's easy to switch from autofocus to manual by feel -- you can do it without moving your eye from the viewfinder.
There are probably better choices if you want to do portraits first and macrophotography second -- Canon's 100mm and Sigma's 105mm macros, in particular, but the Tamron is an excellent choice for macro work.
The lens body is plastic, so it's lighter than OEM lenses from Canon & Nikon. The light weight makes one wonder about how rugged it is, but it feels well put together, and anyway you shouldn't be using a lens to drive nails.
Note that the 90mm designation applies only to full frame SLRs. On digital SLRs like the Canon 300D & 350D or the Nikon D50 & D70, the lens gives you an effecive focal length of about 130mm. So you get a bit more working distance for macro subjects, but you may have to stand back too far from the subject for portraiture.
Click Here to see more reviews about: Tamron AF 90mm f/2.8 Di SP A/M 1:1 Macro Lens for Canon Digital SLR Cameras
Di: Digitally Integrated Design, is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras.DI Lenses have the following benefitsImproved Resolution Minimized peripheral light fall-off Compensation of ghosting and flare reduction of chromatic aberationsTamron's 90mm macro lens, often referred to as "the portrait macro" and loved by photographers all over the world, is now reborn as a Di lens that is perfect for use with both film and digital cameras.
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