Fits to the front of the EF 70-300mm f/4-5.6 IS USM and EF 70-300mm f/4.5-5.6 DO IS USM reducing ‘flare’ caused by light shining directly on the lens’ front element.
By stopping unwanted light from shining directly into the lens, the ET-74B Lens Hood helps to preserve image quality by reducing flare and ghosting. It also serves as protection for the lens front element.
