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THE DETERMINATION OP THE NUMERICAL APERTURE OF A CONDENSER
Author(s) -
Hartley W. G.
Publication year - 1951
Publication title -
journal of the royal microscopical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0368-3974
DOI - 10.1111/j.1365-2818.1951.tb00396.x
Subject(s) - condenser (optics) , aperture (computer memory) , immersion (mathematics) , optics , physics , mathematics , geometry , acoustics , light source
SYNOPSIS. The N.A. of a condenser can be conveniently determined by the use of an Abbe apertometer in an inverted position. This is suitable for all substage condensers, dry and immersion, bright and dark field.