Canon EF 16-35mm f/2.8L USM lens, featuring a focal length of 16-35mm and a maximum aperture of f/2.8. This lens has 14 elements in 10 groups and 7 rounded diaphragm blades. The closest focusing distance is 0.28m (0.92 ft) with a maximum magnification of 0.22x at 35mm. It uses a 77mm filter thread size.

• Focal Length: 16–35 mm
• Maximum Aperture: f/2.8
• Minimum Aperture: f/22
• Lens Construction: 14 elements in 10 groups
• Diaphragm Blades: 7 (rounded)
• Closest Focusing Distance: 0.28 m (0.92 ft)
• Maximum Magnification: 0.22x (at 35mm)
• Filter Thread Size: 77 mm