JPS5862247U - レンズ開口面積計 - Google Patents

レンズ開口面積計

Info

Publication number
JPS5862247U
JPS5862247U JP15544481U JP15544481U JPS5862247U JP S5862247 U JPS5862247 U JP S5862247U JP 15544481 U JP15544481 U JP 15544481U JP 15544481 U JP15544481 U JP 15544481U JP S5862247 U JPS5862247 U JP S5862247U
Authority
JP
Japan
Prior art keywords
lens aperture
aperture meter
aperture area
lens
showing
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
JP15544481U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219709Y2 (enrdf_load_stackoverflow
Inventor
孝夫 山口
浩三 須藤
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15544481U priority Critical patent/JPS5862247U/ja
Publication of JPS5862247U publication Critical patent/JPS5862247U/ja
Application granted granted Critical
Publication of JPH0219709Y2 publication Critical patent/JPH0219709Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
JP15544481U 1981-10-21 1981-10-21 レンズ開口面積計 Granted JPS5862247U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15544481U JPS5862247U (ja) 1981-10-21 1981-10-21 レンズ開口面積計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15544481U JPS5862247U (ja) 1981-10-21 1981-10-21 レンズ開口面積計

Publications (2)

Publication Number Publication Date
JPS5862247U true JPS5862247U (ja) 1983-04-26
JPH0219709Y2 JPH0219709Y2 (enrdf_load_stackoverflow) 1990-05-30

Family

ID=29948022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15544481U Granted JPS5862247U (ja) 1981-10-21 1981-10-21 レンズ開口面積計

Country Status (1)

Country Link
JP (1) JPS5862247U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129242A (enrdf_load_stackoverflow) * 1974-04-02 1975-10-13
JPS5574407A (en) * 1978-11-30 1980-06-05 Fujitsu Ltd Measurement of shape of light beam

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129242A (enrdf_load_stackoverflow) * 1974-04-02 1975-10-13
JPS5574407A (en) * 1978-11-30 1980-06-05 Fujitsu Ltd Measurement of shape of light beam

Also Published As

Publication number Publication date
JPH0219709Y2 (enrdf_load_stackoverflow) 1990-05-30

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