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 which remains nearly circular from f/2.8 to f/5.6.
The EF 16–35mm f/2.8L USM was replaced by the EF 16–35mm f/2.8L II USM early in 2007. The main change saw the lens adopt a new optical design featuring 16 elements in 12 groups. Other changes include a 35g increase in weight, a larger 82mm filter diameter and a longer length.
The new model II lens has garnered favorable to excellent reviews, and has been used in independent feature films like Marianne which was shot using a Canon EOS 7D.
The newest member of the family, the EF 16–35mm f/4L IS USM, was announced in May 2014. While it is one stop slower than the other 16–35mm versions, it is the first L-series wide-angle zoom to offer image stabilization.
The EF-S 10–18mm f/4.5–5.6 IS STM, announced on the same day as the 16–35 f/4 IS lens, is also exclusive to bodies that support the EF-S format. Intended as a consumer-level lens, it is slower than any other Canon ultrawide zoom, but includes image stabilization and Canon's stepping motor technology. The 10–18 is less than half the price of the 10–22, and a fourth of the price of the 16–35 f/4 IS.