JPH03100830U - - Google Patents

Info

Publication number
JPH03100830U
JPH03100830U JP8263190U JP8263190U JPH03100830U JP H03100830 U JPH03100830 U JP H03100830U JP 8263190 U JP8263190 U JP 8263190U JP 8263190 U JP8263190 U JP 8263190U JP H03100830 U JPH03100830 U JP H03100830U
Authority
JP
Japan
Prior art keywords
photographic lens
depth
aperture
field
infinity
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.)
Granted
Application number
JP8263190U
Other languages
English (en)
Other versions
JPH0725780Y2 (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 JP1990082631U priority Critical patent/JPH0725780Y2/ja
Publication of JPH03100830U publication Critical patent/JPH03100830U/ja
Application granted granted Critical
Publication of JPH0725780Y2 publication Critical patent/JPH0725780Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)

Description

【図面の簡単な説明】
第１図は本件考案の説明図で、第２図は本考案
の実施例における要部の平断面図、第３図はその
正面図、第４図および第５図は第３図の一部を拡
大して示す平断面図、第６図は他の実施例の平断
面図であつて第７図はその正面図を示す。 １……撮影レンズ、２……フイルム、３……光
軸、Ｂ……ＩＳＯ感度切換体、４ａ，４ｂ，４ｃ
，４ｄ，４ｅ……絞り、５ａ，５ｂ，５ｃ，５ｄ
……平行平面ガラス板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 撮影レンズを固定したカメラに於て、絞りの大
    きさに依つて変化する被写界深度が無限遠側で無
    駄にならない為に絞りの大きさに応じて撮影レン
    ズからフイルム迄の実質光学距離を変化させ、そ
    れぞれの絞りによつて生れる被写界深度を最大限
    に有効に利用出来る様にし、撮影レンズからフイ
    ルム迄の実質的光学距離を変化させるにはその変
    化に必要な厚さの平行平面ガラスを撮影レンズの
    直後にその光軸に直角に着脱交換することによつ
    て、撮影レンズを移動しての焦点位置を変化させ
    たと同様な効果を得、それぞれの絞りによつて変
    化する被写界深度を最大限に利用して至近距離か
    ら無限遠迄の映像をよりシヤープに結像させる様
    にしたカメラ。
JP1990082631U 1990-08-02 1990-08-02 撮影レンズ固定カメラ Expired - Lifetime JPH0725780Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990082631U JPH0725780Y2 (ja) 1990-08-02 1990-08-02 撮影レンズ固定カメラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990082631U JPH0725780Y2 (ja) 1990-08-02 1990-08-02 撮影レンズ固定カメラ

Publications (2)

Publication Number Publication Date
JPH03100830U true JPH03100830U (ja) 1991-10-22
JPH0725780Y2 JPH0725780Y2 (ja) 1995-06-07

Family

ID=31629620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990082631U Expired - Lifetime JPH0725780Y2 (ja) 1990-08-02 1990-08-02 撮影レンズ固定カメラ

Country Status (1)

Country Link
JP (1) JPH0725780Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866832A (ja) * 1971-12-16 1973-09-13
JPS5267623A (en) * 1975-12-02 1977-06-04 Fuji Photo Film Co Ltd Exposure adjusting mechanism for simplified camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866832A (ja) * 1971-12-16 1973-09-13
JPS5267623A (en) * 1975-12-02 1977-06-04 Fuji Photo Film Co Ltd Exposure adjusting mechanism for simplified camera

Also Published As

Publication number Publication date
JPH0725780Y2 (ja) 1995-06-07

Similar Documents

Publication Publication Date Title
JPH03100830U (ja)
JPH0465329U (ja)
JPS6413034U (ja)
JPH0424738U (ja)
JPH02119223U (ja)
JPH03129941U (ja)
JPH02121728U (ja)
JPS62164322U (ja)
JPS63113132U (ja)
JPH0322234U (ja)
JPH01128327U (ja)
JPH03114830U (ja)
JPH0312226U (ja)
JPS6343130U (ja)
JPS62167232U (ja)
JPS6329129U (ja)
JPS6165423U (ja)
JPH0229028U (ja)
JPH0371341U (ja)
JPH0668039U (ja) カメラ
JPH02109348U (ja)
JPS6424332U (ja)
JPH0322235U (ja)
JPH0360303U (ja)
JPH0241241U (ja)