Sigma DG DN Contemporary 20mm F/2 (L-Mount) LEN1277

All-metal construction Manual aperture ring Arc-style focus mode switch High-speed, accurate autofocus Magnetic lens cap and metal lens hood Mount with dust and splash-resistant structure Designed to minimize flare and ghosting Compatible with Lens Aberration Correction* *Function available on supported cameras only. Available corrections / functionality may vary depending on camera model.