Direct determination of f-number by using Ronchi test | Zendy

Sukmock Lee | Zendy

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Direct determination of f-number by using Ronchi test

Author(s) -

Sukmock Lee

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.005107

Subject(s) - optics , lens (geology) , aperture (computer memory) , value (mathematics) , software , mathematics , physics , computer science , statistics , acoustics , programming language

A method to determine f-number for an imaging system is discussed. This method uses Ronchi test and is different in that the value of f-number of the system can be determined without depending on any particular parameters. Two different sizes of aperture for a common system were investigated and the corresponding f-numbers were compared with those calculated by a lens design software. In addition, the determined f-numbers are proved to be consistent with other values obtained in this study.

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