diopter diopter

Definition(s):

  • (n) a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists

News

  • Watch: All 15 Split Diopter Shots in Brian DePalma's 'Blow Out'

    Los Angeles-based film editor Vashi Nedomansky writes about visual effects, low budget filmmaking and editing techniques on his blog. Recently, he wrote about how filmmakers split the focus in a shot by using a split focus diopter, a half convex glass that attaches in front of the camera's main lens, enabling the lens to focus on something in the background while the diopter captures the ...
    on October 15, 2013     Source: indieWIRE

Word of the Day
untenable untenable
/ən ˈtɛ nə bəl /