请输入您要查询的英文单词:

 

单词 neutral density filter
释义

neutral density filter

noun
A photographic or optical filter that absorbs light of all wavelengths to the same extent, causing overall dimming but no change in colour.An action spectrum for light-induced death was carried out using excitation filters and neutral density filters to vary the excitation wavelength and keep peak illumination intensity constant....
  • Another use for this filter on sunny days is that it can be used as a neutral density filter in order to give you longer shutter speed times.
  • Simulations of senile miosis using a pupil-constricting drug and the age-related increase in lenticular light absorption using a neutral density filter in young observers could not account for the results.
随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/11 15:27:25