| Ramsden's eyepiece |
(Rams
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
|
|---|---|
| Ramsden's e. |
a positive eyepiece consisting of two planoconvex lenses with the convexities turned toward each other.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|