Overview

The Pentax 100mm F2.8 ED AW Macro delivers excellent sharpness and contrast, especially from f/5.6 to f/8, with very low distortion and vignetting. Its weather-sealed, compact build with metal mount suits outdoor use, but the screw-driven telescoping focus system feels outdated. Best for Pentax DSLR users seeking a top-tier macro lens, despite lacking modern features.