Hoodman's Glasses HoodEYE Eyecup for Nikon Z8/Z9/Zf Models, specifically made for people who wear glasses, is an excellent way to help block off light when looking through the viewfinder on your Nikon Z8/Z9/Zf Models. This eyecup ensures that the�Nikon Z8/Z9/Zf Models can easily capture their shots thanks to its large design that blocks out ambient light and its rotating feature that fits shooters with right or left eyes. The self-locking mount holds the cup in place, which glides over the eyepiece mounting rails. Furthermore, the hypoallergenic silicon prevents discomfort and allows for pleasant photography for extended periods.