JPS4917540B1 - - Google Patents
Info
- Publication number
- JPS4917540B1 JPS4917540B1 JP45082886A JP8288670A JPS4917540B1 JP S4917540 B1 JPS4917540 B1 JP S4917540B1 JP 45082886 A JP45082886 A JP 45082886A JP 8288670 A JP8288670 A JP 8288670A JP S4917540 B1 JPS4917540 B1 JP S4917540B1
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/22—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with movable lens means specially adapted for focusing at close distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT897369A AT291619B (de) | 1969-09-22 | 1969-09-22 | Pankratisches Objektiv, inbesondere für photographische Aufnahmen |
| AT897269A AT290161B (de) | 1969-09-22 | 1969-09-22 | Pankratisches Vorsatzobjektiv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4917540B1 true JPS4917540B1 (de) | 1974-05-01 |
Family
ID=25605193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45082886A Pending JPS4917540B1 (de) | 1969-09-22 | 1970-09-21 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4917540B1 (de) |
| DE (2) | DE7030757U (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2137598B1 (de) * | 1971-05-08 | 1975-03-21 | Canon Kk | |
| DE2234728C3 (de) * | 1972-07-14 | 1985-01-10 | Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano | Varioobjektiv mit Naheinstellbereich |
| FR2193209B1 (de) * | 1972-07-20 | 1976-05-14 | Sankyo Kogaku Kogyo Kk |
-
1970
- 1970-08-17 DE DE19707030757 patent/DE7030757U/de not_active Expired
- 1970-08-17 DE DE19702040722 patent/DE2040722A1/de active Pending
- 1970-09-21 JP JP45082886A patent/JPS4917540B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2040722A1 (de) | 1971-04-15 |
| DE7030757U (de) | 1975-08-21 |