- WideAngle Aspherical Zoom - Mount-Crop: Canon EF-Mount Lens/APS-C - Type-Focal: 11-16mm, Angle of View 104°-82° - Aperture: Max f/2.8, Min f/22 - Filter-Grams: 13 Elements in 11 Groups - BH-77A - 77mm - 84 x 89 mm, 550g