Patent ID: 8913122

Claim:
An image-acquisition device for a microscope, comprising: an optical-path branching section that branches light from an object into two optical paths; a first image-acquisition element and a second image-acquisition element that are respectively disposed in the two optical paths branching from the optical-path branching section and that acquire images of the light from the object under different image-acquisition conditions; and an exposure-time calculator configured to calculate, in a case where an acquisition with the first image-acquisition element is switched to an acquisition with the second image-acquisition element, an exposure time for the second image-acquisition element after a switching operation on the basis of an exposure time for the first image-acquisition element before the switching operation and a ratio between the image-acquisition condition of the first image-acquisition element before the switching operation and the image-acquisition condition of the second image-acquisition element after the switching operation; wherein one of the first image-acquisition element and the second image-acquisition element is used as a color image-acquisition element for acquiring a color image, the other image-acquisition element is used as a monochrome image-acquisition element for acquiring a monochrome image, and the ratio of the image-acquisition conditions includes a ratio of sensitivities of the first image-acquisition element before the switching operation and the second image-acquisition element after the switching operation.