Dismiss
InnovationQ will be updated on Sunday, Oct. 22, from 10am ET - noon. You may experience brief service interruptions during that time.
Browse Prior Art Database

LENS DESIGN

IP.com Disclosure Number: IPCOM000024014D
Original Publication Date: 1979-Jun-30
Included in the Prior Art Database: 2004-Apr-01
Document File: 2 page(s) / 188K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a lens designed for operating at IX and at f/8. With reference to the figure, the lens is symmetrical with two lens elements on each side of the aperture stop and has design parameters as follows (dimensions are in millimeters):

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 2

XEROX DISCLOSURE JOURNAL

LENS DESIGN Proposed Classification George L. McCrobie U.S. Cl. 350/175
mt. Cl. G02b 3/00

APE RATURE

STOP

Disclosed is a lens designed for operating at IX and at f/8. With reference to the figure, the lens is symmetrical with two lens elements on each side of the aperture stop and has design parameters as follows (dimensions are in millimeters):

Lens Element R

1 T Glass

1 78.6902 62.2493 28.0425 SF18

9.5726

2 100.8638 158.4680 10.0000 SF18

9.8849

APERTURE STOP

9.8849

3 458,4680 400.8638 10.0000 SF18

9.5726

4 ~62.2493 ~78,6902 28.0425 SF18

EFL = 367,4765 Object Distance = 679.67 BFL = 312.1936 Image Distance = 678.33

FFL = 312.1935 Total Track = 1473,00

Semi~FieldAngle = 14

Volume 4 Number 3 May/3une 1979 381

[This page contains 1 picture or other non-text object]

Page 2 of 2

XEROX DISCLOSURE 3OURNAL

382 Volume 4 Number 3 May/June 1979

[This page contains 1 picture or other non-text object]