Importance

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Abstract

The present invention provides a culture vessel and microscope that allows a wide area of favorable observation of the sample in the plural wells even when a negative refractive power is generated in the culture medium, wherein a ring-shaped opening, a condenser lens, a lens array, a well plate, an objective lens and a phase contrast plate are disposed in this order viewed from the light source side with a construction to place a phase contrast film of the phase contrast plate in a conjugated relation to the projection pupil position or projection pupil of the objective lens, and the culture vessel is constructed of the lens array and well plate with a relative disposition in which the optical axis of each lens is coaxial with the center line of the confronting each well; the aperture of the ring-shaped opening being smaller than the aperture of the ring-shaped opening that is used when the culture vessel is not disposed in the optical path.

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First Claim