Average Reviews:
(More customer reviews)I purchased this lens for traveling with my Pentax digital bodies. It's a great alternative to carrying a bunch of lenses when traveling. The trade off for the versatility is the mecahanics at times. Instead of being a master on one focal range, it's the jack of all trades. It has a very difficult time focusing quickly, especially with a filter on the lens. AF is slow on this lens.
Click Here to see more reviews about: Tamron Autofocus 28-200mm f/3.8-5.6 XR Aspherical (IF) Lens for Pentax SLR Cameras (Silver)
Tamron offers this world's smallest, most lightweight 28-200mm high magnification zoom lens. With a minimum focal distance over the entire zoom area of 49cm, and a maximum magnification of 1: 4 (at 200mm) this remarkable lens achieves high magnification zoom performance with the compact size of a standard zoom lens. Through XR (Extra Refractive Index) glass and efficient use of aspherical lenses, Tamron has achieved a 25% reduction in size and a 27% reduction in weight over the previous model (Model 371D), along with a decrease in filter diameter by two-steps ?72mm - ?62mm) without compromising the superior image quality characteristic of Tamron 28-200 lenses.
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