Best Sigma Macro Lenses Under $500 in 2026

With its fast f/2 aperture, 20mm ultra-wide full-frame coverage, and a compact 370g build in an all-metal, weather-sealed barrel, this lens delivers a bright, portable wide-angle option. Knurled focus and aperture rings, a fast internal focus system, and a rounded 9-blade diaphragm add precise handling and smooth out-of-focus rendering to the lightweight design. Landscape and architecture photographers who need a durable, travel-ready prime with autofocus for outdoor work will find this a practical choice.