a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball;
"an eyecup is called an eyebath in Britain"
(embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
- First focus the reticle with the image field boundary by turning the eyecup.
- I generally prefer shooting with an eye-level viewfinder, though, and wish Sony had padded the hard plastic eyecup.