JPS595844Y2 - 広範囲に渡る光量調節が可能な撮像用光学系 - Google Patents

広範囲に渡る光量調節が可能な撮像用光学系

Info

Publication number
JPS595844Y2
JPS595844Y2 JP1974040729U JP4072974U JPS595844Y2 JP S595844 Y2 JPS595844 Y2 JP S595844Y2 JP 1974040729 U JP1974040729 U JP 1974040729U JP 4072974 U JP4072974 U JP 4072974U JP S595844 Y2 JPS595844 Y2 JP S595844Y2
Authority
JP
Japan
Prior art keywords
light
photographing lens
diffraction grating
amount
optical system
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
JP1974040729U
Other languages
English (en)
Japanese (ja)
Other versions
JPS50130952U (ko
Inventor
一夫 田中
威 関口
Original Assignee
キヤノン株式会社
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 キヤノン株式会社 filed Critical キヤノン株式会社
Priority to JP1974040729U priority Critical patent/JPS595844Y2/ja
Publication of JPS50130952U publication Critical patent/JPS50130952U/ja
Application granted granted Critical
Publication of JPS595844Y2 publication Critical patent/JPS595844Y2/ja
Expired legal-status Critical Current

Links

JP1974040729U 1974-04-10 1974-04-10 広範囲に渡る光量調節が可能な撮像用光学系 Expired JPS595844Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1974040729U JPS595844Y2 (ja) 1974-04-10 1974-04-10 広範囲に渡る光量調節が可能な撮像用光学系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974040729U JPS595844Y2 (ja) 1974-04-10 1974-04-10 広範囲に渡る光量調節が可能な撮像用光学系

Publications (2)

Publication Number Publication Date
JPS50130952U JPS50130952U (ko) 1975-10-28
JPS595844Y2 true JPS595844Y2 (ja) 1984-02-22

Family

ID=28166870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974040729U Expired JPS595844Y2 (ja) 1974-04-10 1974-04-10 広範囲に渡る光量調節が可能な撮像用光学系

Country Status (1)

Country Link
JP (1) JPS595844Y2 (ko)

Also Published As

Publication number Publication date
JPS50130952U (ko) 1975-10-28

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