Cetainly the best lens I've ever owned.

Yes, I would recommend this to a friend

Consistent Output; Durable; Rugged; Sharp Focus; Strong Construction

Heavy

Pentax SMC-DA* 50-135mm f/2.8 ED [IF] SDM - Review / Test Report

The 50-135mm is a member of the professional grade DA* family and the build quality is on an accordingly high level thanks to quality materials and weather-sealing. Unlike Tokina Pentax decided not to implement a tripod collar - this a bit of a borderline approach but a viable one regarding the...

Pentax smc DA 50-135mm f/2.8 ED (IF) SDM Review

What Digital Camera tests the Pentax smc DA 50-135mm f/2.8 ED (IF) SDM lens to find out if it's as good as the price suggests.

Great Lens

I shoot a lot of pictures for a school web page of various school events. I looked at this lens for a while mainly to use for basketball games and events in low light in the auditorium. When I received a couple of checks that were unexpected I bit the bullet and bought it.

fast; quiet; sharp lens

None found so far

Pentax SMC-DA 50-135mm f/2.8 ED (IF) SDM

While Pentax got left behind a little at the dawn of the digital age, their recently announced lens roadmap shows they are coming back with a vengeance. This optic is the first in a series of professionally specified lenses to hit the marketplace.

Good build and feel with dust and moisture sealing; Excellent optical performance; Fast and quiet autofocus

Slight distortion at each end of the zoom range; Expensive; although worth the money