Additional study of aberrations

The main set 202764 allows you to study the fundamental principles of geometric optics: focal length measurement by different methods, conjugation law, magnification, autocollimation, etc.
The complementary set 202765 allows you to address the notion of geometric and chromatic aberrations.

Subjects discussed :
- Geometric aberrations
- Chromatic aberrations

Principles and objectives:
Focometrics constitutes the basis of geometric optics. It allows the study and determination of an optical system. The focal length of a system is an essential parameter for its study, it is therefore necessary to know how to determine it by various methods.
The term aberration is used to describe different defects in a lens or optical system. There are two types of aberrations: geometric aberrations causing image distortion and chromatic aberrations causing iridescence of the image contours.

Composition :
▪ 1 token with annular diaphragm (ref.204769)
▪ 1 plano-convex lens f+50 mm
▪ 1 thick system Ø40 mm (ref.202318) and its support on rod (ref.202674)
▪ 1 achromatic lens f+100 mm (ref.202295) and 1 pinned component holder (ref.202442)
▪ 1 Paton red filter (ref.202359) and 1 Paton blue filter (ref.202363)
▪ 1 thin blade holder on rod (ref.202448)