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单词 eye relief
释义

Definition of eye relief in English:

eye relief

noun
  • The distance between the eye and the eye lens or eyepiece of an optical instrument; specifically the greatest distance at which the field of view seen through an eyepiece, viewfinder, etc., remains undiminished as the eye is moved back from it.

Origin

Early 20th century; earliest use found in Iron Age.

 
 

Definition of eye relief in US English:

eye relief

noun
  • The distance between the eye and the eye lens or eyepiece of an optical instrument; specifically the greatest distance at which the field of view seen through an eyepiece, viewfinder, etc., remains undiminished as the eye is moved back from it.

Origin

Early 20th century; earliest use found in Iron Age.

 
 
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更新时间:2025/3/18 8:39:15