The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 1997
Filed:
Nov. 30, 1994
Applicant:
Inventor:
Lee R Estelle, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359692 ; 359715 ;
Abstract
A zoom lens having two units of lens components including from the object side a positive optical unit and a negative optical unit. The zoom lens satisfies the following relationship ##EQU1## where eW is the principal point separation of the zoom lens when said zoom lens operates at a wide angle position and eT is the principal point separation of the zoom lens when said zoom lens operates at the telephoto position.