Patent ID: 8350904

Claim:
A microscope for virtual-slide creating system, which creates a virtual slide of a system, comprising: a stage for holding the specimen; a transmitted-light illumination optical system for illuminating the specimen with transmitted light; an objective; a tube lens; a magnification Varying optical system used in combination with the tube lens; and an image capture unit, wherein the objective is configured as a dry system of infinity-corrected type with an object-side numerical aperture NA of 0.8 or greater and a focal length for d-line rays within a range from 8 mm to 20 mm, wherein the tube lens has a focal length for d-line rays within a range from 160 mm to 280 mm, and wherein an image capture surface of the image capture unit has a long side of 12 mm or longer and a pixel size (μm) satisfying the following condition: b (μm)≦(0.61×0.59 (μm))/ NA′ h where b is the pixel size, and NA′ h is an image-side numerical aperture at a highest-magnification position.