Bloggers need photos for their posts, businesses are looking for images for their websites and homeowners are on the hunt for that next statement piece for their living room wall. All those images need to come from somewhere. If you have some languishing on your hard drive, why not set them free online for others to purchase and enjoy? For now, think of this as a way to hone your photography skills, and maybe make some pocket change on the side as you do so. Keep in mind that each of these sites has their own terms and conditions. Make sure you confirm who retains the copyright to your work.
Precursor technologies[ edit ] A camera obscura used for drawing Photography is the result of combining several technical discoveries, relating to seeing an image and capturing the image. The discovery of the camera obscura "dark chamber" in Latin that provides an image of a scene dates back to ancient China. Greek mathematicians Aristotle and Euclid independently described a camera obscura in the 5th and 4th centuries BCE. A hole in the cave wall will act as a pinhole camera and project a laterally reversed, upside down image on a piece of paper.