Objective lens system for microscopes
US5216545A · kind A · utility
27Cited by
1References
49Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1992 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | Feb 26, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An abjective lens system for microscopes consisting of a lens component having a convex surface on the image side and arranged on the extremely object side, and at least one lens component arranged on the image side of said lens component and comprising a cemented doublet. Said objective lens system for microscopes has a simple composition, consists of a small number of lens elements, and has favorably corrected spherical aberration, coma, curvature of field, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.