1. An imaging apparatus comprising: an imaging unit configured to image an image of an object; a display unit configured to display the image of the object, the object being subjected to zooming; a zoom operation obtaining unit configured to obtain a user input amount of a zoom operation; and an input unit configured to receive, via additional user input, a zoom change speed which is a relationship between the user input amount of the zoom operation and an amount of the zooming, the relationship being displayed in the display unit.