F-number - Wikipedia, the free encyclopedia where N is the uncorrected f-number, NAi is the image-space numerical aperture of the lens, and |m| is the absolute ...
CalcTool: Conversion of f/# and NA calculator The f-number (f/#) and numerical aperture (NA) are calculated as defined. This calc converts between them, and also ...
How to convert Numerical Aperture to F-Number? | OptoWiki ... How to convert Numerical Aperture to F-Number? Given a telezentric lens with WD , NA and magnification. Then.
幾何光學概論 N.A.值與F-number都是描述系統光通量的物理量,對一個無限遠的物而言,它們之間 的關係是. 19. PSSDL. F/# & N.A.→ ...
Numerical aperture 1.1 Numerical aperture versus f-number ... The NA is generally measured with respect to a particular object or image ...
Aperture stop, entrance & exit pupils, numerical aperture (NA ... 23 Feb 2009 ... pronounced f-number, e.g. f/8 means (f/#)=8. The Aperture Stop. Later we will also learn that the NA ...
Numerical Aperture - CoinImaging.com The NA is closely associated with the f/number of the lens. NA = 1/(2*f-num) ( where f-num = focal length/entrance pupil ...
OPTI 201R 10 L31.pdf F-number is a measure of how fast rays converge or diverge. ▻ Steeply-angled rays have relatively small f-numbers. ▻ Shallow-angled ... The Numerical Aperture (NA) of a beam of light is defined as.