| 单词 |
topogon lens |
| 释义 |
Topogon lens Topogon lens[′täp·ə‚gän ¦lenz] (optics) A periscopic lens with supplementary thick menisci to permit the correction of aperture aberrations for a moderate aperture and a large field; one or two plane-parallel plates are sometimes added to correct distortion. |
| 随便看 |
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- weir, robert f.
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