Overview

The Tokina AT-X Pro 50-135mm f/2.8 DX is a compact, all-metal constant-aperture zoom for APS-C cameras. Optically, it delivers excellent sharpness across the zoom range, rivaling primes, with very good contrast and well-controlled distortion and vignetting. Weaknesses include slow autofocus, nervous bokeh wide open, and lateral chromatic aberrations. Build quality is rugged with smooth rings and a non-removable tripod collar. It suits photographers wanting a portable, affordable alternative to full-frame 70-200mm lenses, especially for portraits and action.