Dictionary » A » Apochromatic objectives

Apochromatic objectives

apochromatic objective

(Science: microscopy) a lens system whose secondary chromatic aberrations have been substantially reduced.

It is designed to provide the same focal length for three wavelengths and freedom from spherical aberration for two wavelengths of light. The magnification can still vary with wavelength in which case a compensating eyepieces used to cancel the coloured fringes.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 21:16, 3 October 2005. This page has been accessed 1,501 times. 
What links here | Related changes | Permanent link