FIELD: photographic technique. SUBSTANCE: one of viewfinder 2 lenses is made as liquid lens 3 with convex surface turned to operator's eye. Inside liquid lens 3, additional indicator in the form of floating roll is located. Viewfinder has marks displaced correspondingly in its upper part and on optical axis. EFFECT: improved design. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PHOTOGRAPHIC CAMERA VIEW-FINDER (ITS VERSIONS) | 0 |
|
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| 0 |
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