GB810899A - Improvements in or relating to telescopes - Google Patents

Improvements in or relating to telescopes

Info

Publication number
GB810899A
GB810899A GB8974/57A GB897457A GB810899A GB 810899 A GB810899 A GB 810899A GB 8974/57 A GB8974/57 A GB 8974/57A GB 897457 A GB897457 A GB 897457A GB 810899 A GB810899 A GB 810899A
Authority
GB
United Kingdom
Prior art keywords
mirror
lens
mirrors
plane
prism
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
GB8974/57A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of GB810899A publication Critical patent/GB810899A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices

Abstract

810,899. Telescopes. LEITZ G.m.b.H., E. March' 19; 1957 [March 22, 1956], No. 8974/57. Class 97(1) A telescope comprises two concave prisms arranged opposite each other to constitute respectively an objective and an eyepiece and two plane mirrors arranged in the planes of intermediate real images, a graticule being provided on one of the plane mirrors. As shown in Fig. 1 the mirrors are formed by the spherical surfaces of two plano-convex lenses 2, 3 secured to a prism 1 having reflecting portions 4, 5 forming the plane mirrors. Light from a distant object passes through one end face of the prism and focused by the part 2<SP>1</SP> of the mirror-lens 2 on to the plane mirror 4 which carries the graticule. The light reflected by the mirror 4 is focused by the portion 2<SP>11</SP> of mirror lens 2 and portion 3<SP>1</SP> of mirror-lens 3 on to the plane mirror 5 and the image formed thereat'is varied by reflection in the portion 3<SP>11</SP> of the lens 3. In a modification the prism 1 is triangular in section and the mirrors 2, 3 are relatively inclined on opposite ends thereof.
GB8974/57A 1956-03-22 1957-03-19 Improvements in or relating to telescopes Expired GB810899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE810899X 1956-03-22

Publications (1)

Publication Number Publication Date
GB810899A true GB810899A (en) 1959-03-25

Family

ID=6726134

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8974/57A Expired GB810899A (en) 1956-03-22 1957-03-19 Improvements in or relating to telescopes

Country Status (1)

Country Link
GB (1) GB810899A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245988A (en) * 1990-05-30 1992-01-15 Ring Sights Ltd Telescopic sight of solid transparent material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245988A (en) * 1990-05-30 1992-01-15 Ring Sights Ltd Telescopic sight of solid transparent material

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