focal length
pl: focal lengths
Related Words
lensopticsfocusaperturemagnificationcameratelescopemicroscopeprismrefractionreflectioncurvatureradiuslightphotonimagesensorfilmzoomangleperspectivedistortionaberrationconvergencedivergenceconvexconcavedioptermillimeteroptical axisfield of viewdepth of fieldbokehexposureshuttermirrorglassquartzdiffractioninterferencewavelengthspectrumchromaticismsphericalasphericaltelephotowide anglefisheyemacroprime lensprojectionfocal pointmagnifierbinoculareyepieceobjectivedioptriccatadioptricreflectorrefractorcausticparallaxluminancecontrastresolutionsharpness