Browse Prior Art Database

LENS DESIGN

IP.com Disclosure Number: IPCOM000024013D
Original Publication Date: 1979-Jun-30
Included in the Prior Art Database: 2004-Apr-01
Document File: 2 page(s) / 185K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a split dagor line designed for operating at 1.01X and at f/45. With reference to the figure, the lens is symmetrical with 3 lens elements on each side of the aperture stop and has design parameters as follows (dimensions are in inches):

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XEROX DISCLOSURE JOURNAL

LENS DESIGN George L. McCrobie

Proposed Classification
U.S. CL 350/175 Tnt. CL G02b 3/00

Disclosed is a split dagor line designed for operating at 1.01X and at f/45. With reference to the figure, the lens is symmetrical with 3 lens elements on each side of the aperture stop and has design parameters as follows (dimensions are in inches):

Lens Element T Glass

1 2.2284 60.7257 .7100 SSKNS

60,7257 1.6102 .2941 F8

2,4502 4.1711 .2357

.3129

APERTURE STOP

Volume 4 Number 3 May/3une 1979 379

2

3

4 ~4.1711 ~2.4502 5 ~1,6102 ..~60.7257 .2941 F8 6 ~60.7257 ~.2.2284 .7100 SSKN5

SSKN5

SSKNS

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LENS DESIGN (Cont~d)

EFL = 7~48O9 Object Distance = ge0033

BFL = 5~7498 Image Distance = 111961

FFL = ~5965 Total Track = 29~8719

Semi~FieldAngle = 25,5

                  XEROX DISCLOSURE JOURNAL 380 Volume 4 Number 3 May/June 1979

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