Translation guide
The lens or lens group at the viewing end of an optical instrument, such as a telescope, microscope, or binoculars.
The part of a telescope, microscope, or similar device that you look through.
Standard technical term for an eyepiece in any optical instrument. Literally 'eye-connecting lens'.
この望遠鏡の接眼レンズを交換すると、倍率が変わります。
If you change the eyepiece of this telescope, the magnification will change.
Loanword from English, commonly used in astronomy and microscopy contexts. Slightly more casual than 接眼レンズ.
A more formal or older term for eyepiece, sometimes used in technical literature. Less common in everyday speech.
アイピースをのぞいても何も見えません。
I look through the eyepiece but can't see anything.
Please clean the microscope's eyepiece.