The `Test_Lens` Instrument

Site: Tests_optics
Author: E. Farhi/C. Monzat
Origin: ILL
Date: Dec 2009.

Demonstrate focusing effect of refractive lenses

Identification

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
lambda	Angs	Source wavelength	10
position_PSD	m	Distance from last lens to first monitor	8.2