GB409464A - Improvements in optical eye-pieces - Google Patents

Improvements in optical eye-pieces

Info

Publication number
GB409464A
GB409464A GB115733A GB115733A GB409464A GB 409464 A GB409464 A GB 409464A GB 115733 A GB115733 A GB 115733A GB 115733 A GB115733 A GB 115733A GB 409464 A GB409464 A GB 409464A
Authority
GB
United Kingdom
Prior art keywords
eye
pieces
optical eye
collective
convex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB115733A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HORACE WILLIAM LEE
Kapella Ltd
Original Assignee
HORACE WILLIAM LEE
Kapella Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HORACE WILLIAM LEE, Kapella Ltd filed Critical HORACE WILLIAM LEE
Priority to GB115733A priority Critical patent/GB409464A/en
Publication of GB409464A publication Critical patent/GB409464A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces

Abstract

409,464. Eyepieces. LEE, H. W., and KAPELLA, Ltd., 104, Stoughton Street, Leicester. Jan. 13, 1933, No. 1157. [Class 97 (i).] An eyepiece lens system comprises three collective components of which the two nearest the eye are each compounded of a double convex collective element and a dispersive element, the contact surfaces being both convex towards the eye. The third component may be simple as shown, or compound. Numerical data are given.
GB115733A 1933-01-13 1933-01-13 Improvements in optical eye-pieces Expired GB409464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB115733A GB409464A (en) 1933-01-13 1933-01-13 Improvements in optical eye-pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB115733A GB409464A (en) 1933-01-13 1933-01-13 Improvements in optical eye-pieces

Publications (1)

Publication Number Publication Date
GB409464A true GB409464A (en) 1934-05-03

Family

ID=9717169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB115733A Expired GB409464A (en) 1933-01-13 1933-01-13 Improvements in optical eye-pieces

Country Status (1)

Country Link
GB (1) GB409464A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829560A (en) * 1956-10-15 1958-04-08 American Optical Corp Telescope eyepiece system
US3043194A (en) * 1957-03-21 1962-07-10 Zeiss Carl Binoculars
WO2013148802A1 (en) * 2012-03-30 2013-10-03 Exelis Inc. Low mass warpage free eyepiece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829560A (en) * 1956-10-15 1958-04-08 American Optical Corp Telescope eyepiece system
US3043194A (en) * 1957-03-21 1962-07-10 Zeiss Carl Binoculars
WO2013148802A1 (en) * 2012-03-30 2013-10-03 Exelis Inc. Low mass warpage free eyepiece

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