| 摘要 |
A stereoscopic image photographing optical system includes a pair of front optical components of negative refractive power, a combining optical element for superposing respective optical axes of the pair of front optical components on each other, a rear optical component disposed such that the superposed optical axes coincide with an optical axis of the rear optical component, a pair of shutters capable of independently controlling amounts of transmission of light fluxes respectively entering the pair of front optical components from an object, and a pair of deflection mirrors arranged to deflect light fluxes coming from the pair of front optical components and to guide the deflected light fluxes to the combining optical element, wherein the optical system forms parallactic images in a time-series manner by causing the pair of shutters to alternately change the amounts of transmission of light fluxes respectively entering the pair of front optical components from the object.
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