| 释义 |
Immersion lens
| a microscopic objective of short focal distance designed to work with a drop of liquid, as oil, between the front lens and the slide, so that this lens is practically immersed. |
See also: Immersion immersion lens
immersion lens[ə′mər·zhən ‚lenz] (optics) immersion objective immersion lens
im·mer·sion lensa microscope objective constructed in such a manner that the lower lens may be moved downward into direct contact with a fluid that is placed on the object being examined; by using a fluid with a refractive index closely similar to that of glass, the loss of light is minimized. |