FIELD: pan aerial cameras. SUBSTANCE: objective has seven lenses for five components. The first component is positive meniscus, which is turned with its concavity to image, the second one is negative meniscus, which is made of positive and negative menisci glued together, which are turned with their concavities to the image, the third component is negative meniscus which is turned with its concavity to object, the fourth component is positive one and is made of two glued lenses negative biconcave and positive biconvex. The fifth component is negative meniscus which is turned with its concavity to object. EFFECT: improved precision. 14 dwg, 6 tbl
| Title | Year | Author | Number |
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|
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|
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| PLANO-ACHROMATIC HIGH-SPEED MICROLENS OF BIG ENLARGEMENT | 1994 |
|
RU2079155C1 |
| FAST CATADIOPTRIC OBJECTIVE | 1996 |
|
RU2093869C1 |
