I haven't used it much since I bought it, and I've kept it carefully stored. A high-performance 50mm prime lens with a bright f/1.4 aperture, achieving beautiful bokeh. - Brand: Canon - Model Name: EF 50mm f/1.4 - Included Accessories: Lens cap, lens pouch - Focal Length: 50mm - Maximum Aperture: f/1.4 Thank you for looking.