FIELD: physics.
SUBSTANCE: optical device has a catoptric element which refracts input light propagating from the object in the direction of a first optical axis, in the direction of a second optical axis, an electric motor which drives the optical element provided on the second optical axis, and a stereo microphone having a left channel microphone and a right channel microphone, which are provided on the side of the optical device which is opposite the electric motor relative the second optical axis when viewing from the side of the object, and lie in a direction which is essential parallel to the second optical axis.
EFFECT: improved quality of recording sound due to reduction of noise from drive units which drive the optical elements.
4 cl, 26 dwg
| Title | Year | Author | Number |
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SU36167A1 |
