Provided is an optical apparatus including: a first optical element configured to be movable in an optical axis direction; a second optical element configured to be movable in the optical axis direction; a first elastic member configured to bias the first optical element in the optical axis direction; and a second elastic member configured to bias the first optical element and the second optical element in the optical axis direction due to reduction in distance between the first optical element and the second optical element, wherein the second elastic member is configured to bias the first optical element, due to the reduction, in a direction in which the first elastic member biases the first optical element.