JPS6036617U

JPS6036617U - camera telephoto lens

Info

Publication number: JPS6036617U
Application number: JP14055682U
Authority: JP
Inventors: 橋本　利雄
Original assignee: 株式会社ハミカ
Priority date: 1982-09-18
Filing date: 1982-09-18
Publication date: 1985-03-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図は本考案に係るもので、第１図はカメラと取付金具と
望遠レンズとを離反して示す斜視図、第２図はその組立
斜視図、第３図はその一部を断面で示す側面図、第４図
は望遠レンズの各レンズの配置関係図である。１・・・・・・カメラ、２・・・・・・ボディ、５・・
・・・・撮影レンズ、１３・・・・・・望遠レンズ、１
４・・・・・・取付金具、１５・・・・・・接眼レンズ
群、１５ａ・・・・・・凸レンズ、１５ａ′・・・・・
・第一面凸面、１５ａ″・・・・・・第二面凹面、１５
ｂ・・・・・・凸レンズ、１５ｂ′・・・・・・第一面
凸面、１５ｂ″・・・・・・第二面凸面、１５ｃ・・・
・・・凹レンズ、１５０′・・・・・・第一面凹面、１
５ｃ″・・・・・・第二面凸面、１５ｄ・・・・・・凸
レンズ、１５ｄ′・・・・・・第一面凸面、１５ｄ″・
・・・・・第二面凹面、１６・・・・・・対物レンズＷ
Ｌ１６ａ・・・・・・凸レンズ、１６ａ’・・・・・・
第一面凸面、１６ａ″・・・・・・第二面凸面、１６ｂ
・・・・・・凹レンズ、１６ｂ′・・・・・・第一面凹
面、１６ｂ″・・・・・・第二面凹面、１６ｃ・・・・
・・凸レンズ、１６Ｃ′・・・・・・第一面凹面、１６
ｃ″・・・・・・第二面凹面、１６ｄ・・・・・・凸レ
ンズ、１６ｄ′・・・・・・第一面凸面、１６ｄ″・・
・・・・第二面凸面。The figures relate to the present invention: Figure 1 is a perspective view showing the camera, mounting bracket, and telephoto lens separated from each other, Figure 2 is an assembled perspective view, and Figure 3 is a side view showing a part of it in cross section. FIG. 4 is a diagram showing the arrangement of the lenses of the telephoto lens. 1...Camera, 2...Body, 5...
... Photography lens, 13 ... Telephoto lens, 1
4... Mounting bracket, 15... Eyepiece group, 15a... Convex lens, 15a'...
・First surface convex, 15a''...Second surface concave, 15
b...Convex lens, 15b'...Convex first surface, 15b''...Convex second surface, 15c...
...Concave lens, 150'...First surface concave, 1
5c''...Convex second surface, 15d...Convex lens, 15d'...Convex first surface, 15d''.
...Second surface concave surface, 16...Objective lens W
L16a... Convex lens, 16a'...
First surface convex surface, 16a''...Second surface convex surface, 16b
...Concave lens, 16b'...Concave first surface, 16b''...Concave second surface, 16c...
...Convex lens, 16C'...First surface concave, 16
c''...Concave second surface, 16d...Convex lens, 16d'...Convex first surface, 16d''...
...Second surface is convex.

Claims

[Scope of utility model registration request]

Radius of curvature 11 of the first convex surface 15a'. The convex lens 15a has a radius of curvature of 110.00 mm, a center thickness of 4.0 mm, and a diameter of 15.0 mm, and the convex surface 15b' of the first surface has a radius of curvature of 11.8 mm. Radius of curvature 21 of dihedral convex surface 15b''
．． The convex lens 15b has a diameter of 30 mm, a center thickness of 6.5 mm, and a diameter of 16.0 mm, the radius of curvature of the first concave surface 150' is 11.85 mm, the radius of curvature of the second convex surface 15c# is 40.30 mm, and the center thickness. The concave lens 15c has a diameter of 1.0 mm and a diameter of 16.0 mm, and the radius of curvature of the first convex surface 15d' is 17.5 mm.
0 mm, the curvature of the second concave surface 15d" is half i80.
A convex lens 15d of OO mm, center thickness 3.0 mm, diameter 16.0 mm and lens 1
The distance between the first convex surface 15a' of lens 5a and the second convex surface 15b'' of lens 15b is 0.5 mm, and lens 1
The first convex surface 15b' of the lens 15b and the first concave surface 150' of the lens 15c are joined together to form a second convex surface 15c of the lens 15c.
The distance between # and the first convex surface 15d' of the lens i5d is set to 0.
The eyepiece lens group is arranged in a positional relationship of 5 mm, and the first convex surface 16a' has a curvature of half 122. OO mm, radius of curvature of second convex surface 16a'' 156.9
0mm, center thickness 6゜2mm, diameter 15
．． 5 mm convex lens 16 and first concave surface 16b
' radius of curvature 23.00 mm, second surface concave 16
b" curvature radius 29.78 mm, center thickness 1.7
Millimeters, diameter 10. The concave lens 16b has a diameter of 6 mm and the radius of curvature of the first concave surface 160' is 22.00.
Mi'J meters, radius of curvature of second surface concave 16C" 241
．． A convex lens 16c with a diameter of 60 mm, a center thickness of 4.2 mm, and a diameter of 11.0 mm, and the radius of curvature of the first convex surface 16d' and the second convex surface 16d'' is 80.00.
mm, center thickness 3.0 mm, diameter 12.
0 mm convex lens 16d and convex lens 16a
The second convex surface 16a'' of the lens 16b and the first concave surface 16 of the lens 16b.
The distance from b' is 3. 0 mm, lens 16
b second surface concave surface 16b'' and second surface concave surface 1 of lens 16c
6c" and the distance from lens 16 is 3.0 mm.
The first convex surface 160' of lens 16d and the second convex surface 1 of lens 16d
A telephoto lens is formed by forming an objective lens group arranged in a positional relationship with a distance of 0.3 mm between the eyepiece lens group and the objective lens group, and a distance of 30.8 mm between the eyepiece lens group and the objective lens group. is the lens 15 of the eyepiece group when installed on the camera body using the mounting bracket.
A telephoto lens for a camera configured such that the distance between the concave second surface 15a'' of the lens a and the photographing lens of the camera is 8.0 mm.