Reflection-type photoelectric switch, fresnel lens and method of
Reflective optical system
Reflex lens system having the antivibration function
Reflex, magnifying optical system
Refractive block and imaging systems for use in automobiles
Refractive elements with graded properties and methods of making
Refractive ellipsoid optical surface without spherical aberratio
Refractive index distribution type optical element and refractiv
Refractive lens cradle
Refractive multispectral objective lens system and methods...
Refractive optical system that converts a laser beam to a...
Refractive optical unit
Refractive projection objective
Refractive projection objective for immersion lithography
Refractive projection objective for immersion lithography
Refractive projection objective with a waist
Refractive spectrum splitting concentrator system
Refractive-diffractive hybrid lens, in particular for beam...
Refractive-diffractive hybrid lens, in particular for beam...
Relay lens used in an illumination system of a lithography...