APERTURE DEVICE, FOCUSING DEVICE, AND IMAGE PICK-UP DEVICE

摘要

[Problem] To provide an aperture device, a focusing device, and an image pick-up device capable of generating results in which a plurality of images have been combined, the images having mutually different exposure conditions in a single exposure. [Solution] The aperture device transmits a portion of incident light and has a mask in which at least three regions having mutually different transmittances are formed.