Finder optical system
A finder optical system wherein a field mask is arranged in a position near to an eyepiece from a field lens so that a distortionless image of the field mask may be observed. The field mask can be provided directly on the peripheral side of the field lens.
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Main Author | |
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Format | Patent |
Language | English |
Published |
08.01.1985
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Edition | 3 |
Subjects | |
Online Access | Get full text |
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