DE6606937U - Fotografisches weitwinkelobjektiv - Google Patents
Fotografisches weitwinkelobjektivInfo
- Publication number
- DE6606937U DE6606937U DE19686606937 DE6606937U DE6606937U DE 6606937 U DE6606937 U DE 6606937U DE 19686606937 DE19686606937 DE 19686606937 DE 6606937 U DE6606937 U DE 6606937U DE 6606937 U DE6606937 U DE 6606937U
- Authority
- DE
- Germany
- Prior art keywords
- lens
- air gap
- focal length
- aberration
- lenses
- 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
Links
- 230000008859 change Effects 0.000 claims description 19
- 230000004907 flux Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000004075 alteration Effects 0.000 description 35
- 201000009310 astigmatism Diseases 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6085467 | 1967-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE6606937U true DE6606937U (de) | 1970-12-10 |
Family
ID=13154368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19686606937 Expired DE6606937U (de) | 1967-09-23 | 1968-09-21 | Fotografisches weitwinkelobjektiv |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE6606937U (enrdf_load_stackoverflow) |
FR (1) | FR1595611A (enrdf_load_stackoverflow) |
GB (1) | GB1238668A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2224429A1 (de) * | 1971-05-24 | 1972-12-14 | Minolta Camera K K , Osaka (Japan) | Fotografisches Objektiv |
DE102006037566A1 (de) * | 2006-08-10 | 2008-02-14 | Mekra Lang Gmbh & Co. Kg | Weitwinkelobjektiv |
DE102006051195A1 (de) * | 2006-08-10 | 2008-02-14 | Mekra Lang Gmbh & Co. Kg | Weitwinkelobjektiv und Weitwinkelkamera |
US7697210B2 (en) | 2006-08-10 | 2010-04-13 | Mekra Lang Gmbh & Co. Kg | Wide-angle objective lens system and camera |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4949623A (enrdf_load_stackoverflow) * | 1972-09-11 | 1974-05-14 | ||
JPS5158331A (en) * | 1974-11-18 | 1976-05-21 | Asahi Optical Co Ltd | Kokakushashinrenzu |
JPS6190116A (ja) * | 1984-10-09 | 1986-05-08 | Nippon Kogaku Kk <Nikon> | レトロフオ−カス型広角レンズ |
US4957355A (en) * | 1986-12-24 | 1990-09-18 | Nikor Corp. | Retrofocus type lens system |
US5278698A (en) * | 1990-07-06 | 1994-01-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Magnifying projecting lens |
US5148195A (en) * | 1991-04-18 | 1992-09-15 | Eastman Kodak Company | Lens system having predetermined focusing power in different mediums, such as air and water, for providing a close up lens which may be attached to a camera either in air or underwater |
GB2309544B (en) * | 1996-01-26 | 2000-03-22 | Asahi Optical Co Ltd | Lens supporting mechanism for camera |
US5892999A (en) * | 1996-01-26 | 1999-04-06 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel with shutter mounting unit |
JP4107109B2 (ja) | 2003-03-06 | 2008-06-25 | カシオ計算機株式会社 | 投影レンズ |
JP2008083339A (ja) * | 2006-09-27 | 2008-04-10 | Alps Electric Co Ltd | カメラ装置 |
-
1968
- 1968-09-17 GB GB1238668D patent/GB1238668A/en not_active Expired
- 1968-09-21 DE DE19686606937 patent/DE6606937U/de not_active Expired
- 1968-09-23 FR FR1595611D patent/FR1595611A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2224429A1 (de) * | 1971-05-24 | 1972-12-14 | Minolta Camera K K , Osaka (Japan) | Fotografisches Objektiv |
DE102006037566A1 (de) * | 2006-08-10 | 2008-02-14 | Mekra Lang Gmbh & Co. Kg | Weitwinkelobjektiv |
DE102006051195A1 (de) * | 2006-08-10 | 2008-02-14 | Mekra Lang Gmbh & Co. Kg | Weitwinkelobjektiv und Weitwinkelkamera |
US7697210B2 (en) | 2006-08-10 | 2010-04-13 | Mekra Lang Gmbh & Co. Kg | Wide-angle objective lens system and camera |
US7995281B2 (en) | 2006-08-10 | 2011-08-09 | Mekra Lang Gmbh & Co. Kg | Wide-angle objective lens system and camera |
Also Published As
Publication number | Publication date |
---|---|
FR1595611A (enrdf_load_stackoverflow) | 1970-06-15 |
GB1238668A (enrdf_load_stackoverflow) | 1971-07-07 |
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