In an image, focus is which of the following? depth clearness color all of the above

i would say clearness because when your camera is at focus it creates clearness to all of your photographs so then you can be a good photographer and get money

Explanation:

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).