- amacratic lens
- [光]共焦點透鏡
English-Chinese dictionary. 2013.
amacratic lens
Look at other dictionaries:
amacratic — amacratic, a. (æməˈkrætɪk) [improp. for hamacratic, f. Gr. ἅµα together + κράτ ος strength, power + ic.] Uniting the actinic rays of the solar speculum into one focus, as an amacratic lens. Mod. Dicts. cite Sir J. Herschel … Useful english dictionary
Amasthenic — Am as*then ic, a. [Gr. ? together + ? force.] (Photog.) Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic. [1913 Webster] … The Collaborative International Dictionary of English
