The lens hood protects against side light and reflections from water, snow, etc. and prevents flares in photos. It is mounted on a threaded fastening like the original Canonn EW-83E.

It fits for the following lenses:

• Canon EF 16-35mm f/2.8L
• Canon EF 17-40mm f/4L USM
• Canon EF-S 10-22mm f/3.5-4.5 USM

In the box:

• Lens hood replacement
• original packaging

Seller warranty:

• 2 years