eyecup

n.

洗眼杯，洗眼器；

1. First focus the reticle with the image field boundary by turning the eyecup.
   首先在图像的边界对准十字线旋转眼杯。
2. I generally prefer shooting with an eye-level viewfinder, though, and wish Sony had padded the hard plastic eyecup.
   然而，我通常更喜欢使用与眼等高的取景器拍摄，希望索尼能够增加硬塑料洗眼器。

Eyecup
An eyecup preparation for the rat and mouse
On the eyecup-lens correlation in some South African amphibians.
Reflex withdrawal of the eyecup in the crab Carcinus
Eyecup withdrawal in the crab, Carcinus, and its interaction with the optokinetic response
Eyecup scope—optical recordings of light stimulus-evoked fluorescence signals in the retina
Photoreceptor-Bipolar Cell Transmission in the Perfused Retina Eyecup of the Mudpuppy
A flattened retina-eyecup preparation suitable for electrophysiological studies of neurons visualized with trans-scleral infrared il...
Visual and Geotactic Control of Compensatory Eyecup Movement in the Crayfish, Procambarus clarki (With 6 Text-figures)
Developmental characteristics of receptive organization in the isolated retina-eyecup of the rabbit