JPS52155550A - Focus distance calibrating means for in-mirror type lens - Google Patents
Focus distance calibrating means for in-mirror type lensInfo
- Publication number
- JPS52155550A JPS52155550A JP7170376A JP7170376A JPS52155550A JP S52155550 A JPS52155550 A JP S52155550A JP 7170376 A JP7170376 A JP 7170376A JP 7170376 A JP7170376 A JP 7170376A JP S52155550 A JPS52155550 A JP S52155550A
- Authority
- JP
- Japan
- Prior art keywords
- focus distance
- type lens
- mirror type
- calibrating means
- distance calibrating
- 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
Links
Landscapes
- Lenses (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
PURPOSE: To facilitate better and easy calibration of focus set up during manufacturing process, by adjusting aerial gap on lenses after selecting and using the reflection mirros which slightly differ in their curvature, in producing in-mirror lens for such as copying machine and etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7170376A JPS52155550A (en) | 1976-06-19 | 1976-06-19 | Focus distance calibrating means for in-mirror type lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7170376A JPS52155550A (en) | 1976-06-19 | 1976-06-19 | Focus distance calibrating means for in-mirror type lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52155550A true JPS52155550A (en) | 1977-12-24 |
Family
ID=13468152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7170376A Pending JPS52155550A (en) | 1976-06-19 | 1976-06-19 | Focus distance calibrating means for in-mirror type lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52155550A (en) |
-
1976
- 1976-06-19 JP JP7170376A patent/JPS52155550A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5426721A (en) | Trimming information recording camera | |
JPS52109875A (en) | Position matching system for mask and wafer and its unit | |
JPS5257824A (en) | Lens for copying | |
JPS52145051A (en) | Zoom lens system permitting extra-close-up photographing | |
JPS5237445A (en) | Lens system rendering variable characteristics of an image plane | |
JPS5243422A (en) | Finder for camera of large size picture | |
JPS52121347A (en) | Objective lens for hard mirror | |
JPS51143326A (en) | Front iris large aperture lens | |
JPS52138924A (en) | Focal detector | |
JPS52155550A (en) | Focus distance calibrating means for in-mirror type lens | |
JPS5282333A (en) | Long focal distance lens of modified elnoster type | |
JPS52132851A (en) | Optical detector of scanning type | |
JPS5360655A (en) | Zoom lens for infinite conjugate distance | |
JPS5285834A (en) | Lens for infrared rays | |
JPS5218327A (en) | Electrophotographic copying machine | |
JPS53122426A (en) | Projector | |
JPS52127327A (en) | Foucsing lens system | |
JPS5240327A (en) | Method of photographing models by scanning | |
JPS52126243A (en) | Multifocus microscope | |
JPS52127328A (en) | Focusing lens system | |
JPS5380227A (en) | Photographic attachment lens | |
JPS5364459A (en) | Manufacture of focus lens | |
JPS51141585A (en) | Process for producing a photosemiconductor unit | |
JPS5273746A (en) | Multifocal lenticular lens | |
JPS5326122A (en) | Zoom lens |