Linsenvorrichtung mit Variabler Brennweite

Details

Veröffentlichungs-Nr.

EP3474065

Aktenzeichen

EP18200765

Anmeldetag

16. Oktober 2018

Veröffentlichung

21. April 2021

Erteilung

21. April 2021

Rechtsraum

EP

IPC

G02F1/11G02F1/33G02B13/22G02B3/14

Abstract

A variable focal length lens apparatus (1) includes an objective lens (11) and an imaging lens (12) that are aligned on the same optical axis (A); a front side lens system (21) and a rear side lens system (22) that are disposed in a section between the objective lens and the imaging lens on the optical axis, and change a refractive index in accordance with an input drive signal; and a diaphragm (23) disposed in the section between the front side lens system and the rear side lens system on the optical axis.

Anmelder

Firma

Mitutoyo Corporation

Land

🇯🇵 Japan

Fachgebiete