The Canon EF 16–35mm lens is a family of professional wide-angle lenses made by Canon. The lens has an EF mount to work with the EOS line of cameras. Other than the front element, it is sealed against dust and water and features a diaphragm that remains nearly circular from f/2.8 to f/5.6.
Some of the features include:
- EF Mount L-Series Lens
- Aperture Range: f/4 to f/22
- Optical Image Stabilizer
- Two UD and Three Aspherical Elements
- Fluorine Coating
- Internal Focusing Ring-Type USM AF Motor
- Full-Time Manual Focus Override
- Water- and Dust-Resistant with Filter
- Nine-Blade Circular Aperture
- Minimum Focusing Distance: 11″