Ocular eyecups for wearers of glasses

US4523818A · kind A · utility

Assignee

• Carl-Zeiss-Stiftung, Heidenheim/Brenz · DE

Inventors

• Walter Lang · Oberkochen, DE
• Joachim Hornschu

Key dates

• Filing date: Jun 9, 1983
• Grant date: Jun 18, 1985
• Expiry date: Jun 9, 2003

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B25/001
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

For non-fatiguing observation through microscope eyepieces, the invention contemplates continuously displaceable eyecups for adjustment of pupil coincidence. The simple mechanical structure is based on force-fitted connection of one part of the eyecup to the eyepiece housing, together with guidance of another part parallel to the optical axis.