JPH032329U - - Google Patents

Info

Publication number
JPH032329U
JPH032329U JP6224389U JP6224389U JPH032329U JP H032329 U JPH032329 U JP H032329U JP 6224389 U JP6224389 U JP 6224389U JP 6224389 U JP6224389 U JP 6224389U JP H032329 U JPH032329 U JP H032329U
Authority
JP
Japan
Prior art keywords
lens
zoom lens
photographing
film surface
distance
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.)
Pending
Application number
JP6224389U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6224389U priority Critical patent/JPH032329U/ja
Publication of JPH032329U publication Critical patent/JPH032329U/ja
Pending legal-status Critical Current

Links

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  • Lens Barrels (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図および第2図は本考案によるカメラのズ
ームレンズの第1実施例を示す図であり、第1図
は概略構成図、第2図は広角側から望遠側にかけ
ての各レンズ群のフイルム面からの位置の変化を
示すレンズ移動特性線図、第3図および第4図は
本考案の第2実施例を示す図であり、第3図は概
略構成図、第4図はレンズ移動特性線図、第5図
は本考案の第3実施例を示す概略構成図、第6図
は本考案の第4実施例を示す概略構成図、第7図
は本考案の第5実施例を示すレンズ移動特性線図
、第8図は本考案の第6実施例を示すレンズ移動
特性線図である。 1,31……1群レンズ、3,33……2群レ
ンズ(最後方レンズ)、5……ズームレンズ、F
……フイルム面、S……所定位置。
1 and 2 are diagrams showing a first embodiment of a zoom lens for a camera according to the present invention. FIG. 1 is a schematic configuration diagram, and FIG. 2 is a film diagram of each lens group from the wide-angle side to the telephoto side. 3 and 4 are diagrams showing the second embodiment of the present invention, FIG. 3 is a schematic configuration diagram, and FIG. 4 is a lens movement characteristic diagram showing changes in position from the plane. Figure 5 is a schematic diagram showing the third embodiment of the invention, Figure 6 is a schematic diagram showing the fourth embodiment of the invention, and Figure 7 is a fifth embodiment of the invention. Lens Movement Characteristic Diagram FIG. 8 is a lens movement characteristic diagram showing a sixth embodiment of the present invention. 1, 31... 1st group lens, 3, 33... 2nd group lens (rearmost lens), 5... Zoom lens, F
...Film surface, S...predetermined position.

Claims (1)

【実用新案登録請求の範囲】 (1) 複数のレンズ相互間の間隔を変化させるこ
とにより焦点距離を変化させるカメラのズームレ
ンズにおいて、フイルム面に最も近い最後方レン
ズがフイルム面から所定距離の所定位置に停止可
能に構成し、撮影時に前記レンズ相互間の間隔を
変化させて所望の焦点距離に変化させたときの前
記最後方レンズの特定位置が前記所定位置よりフ
イルム面寄りに位置していても、非撮影時には前
記所定位置に復帰するようにしたことを特徴とす
るカメラのズームレンズ。 (2) 撮影時に前記特定位置が前記所定位置より
被写体寄りに位置しているときは、非撮影時にお
いても同じ位置を維持するようにしたことを特徴
とする請求項(1)記載のカメラのズームレンズ。
[Claims for Utility Model Registration] (1) In a zoom lens for a camera that changes the focal length by changing the distance between multiple lenses, the rearmost lens closest to the film surface is a zoom lens at a predetermined distance from the film surface. The lens is configured to be able to be stopped at a certain position, and the specific position of the rearmost lens is located closer to the film surface than the predetermined position when the distance between the lenses is changed to a desired focal length during photographing. Also, a zoom lens for a camera, characterized in that it returns to the predetermined position when not photographing. (2) The camera according to claim 1, wherein when the specific position is located closer to the subject than the predetermined position during photographing, the same position is maintained even when not photographing. zoom lens.
JP6224389U 1989-05-29 1989-05-29 Pending JPH032329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6224389U JPH032329U (en) 1989-05-29 1989-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6224389U JPH032329U (en) 1989-05-29 1989-05-29

Publications (1)

Publication Number Publication Date
JPH032329U true JPH032329U (en) 1991-01-10

Family

ID=31591210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6224389U Pending JPH032329U (en) 1989-05-29 1989-05-29

Country Status (1)

Country Link
JP (1) JPH032329U (en)

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