| 单词 | light-gathering | 
| 释义 | > as lemmaslight-gathering   light-gathering adj. relating to or designating the ability (of a telescope, binoculars, or other optical device) to gather light. ΚΠ 1868    Daily News 22 Sept. 5/2  				For the latter purpose [sc. examining the stellar motions]..an instrument of enormous light-gathering power will be required. 1958    Brit. Birds Feb. (rear cover) 		(advt.)	  				The Meopta 12 × 60 has the rare combination of high magnification and brilliant light-gathering power even at night and under bad climatic conditions. The superb optical performance is an outstanding achievement in binocular construction. 2016    Sedalia 		(Missouri)	 Democrat 22 Sept. (Hunting & Fishing Suppl.) 4/2  				Because of its light-gathering qualities, a good scope is a distinct advantage in dim light. < as lemmas | 
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