| eyepiece, negative | <microscopy> An ocular in which the real image of the object is formed between two lenses. The Huygens type. (05 Aug 1998) |
|---|---|
| eyepiece, parfocal | <microscopy> Eyepieces with common focal planes so that they are interchangeable without refocusing. (05 Aug 1998) |
| eyepiece, positive | <microscopy> An eyepiece in which the real image of the object is formed below the lower lens element, of the eyepiece. (05 Aug 1998) |
| filar eyepiece |