Zenith Mechanical Slr Lens

2015-4-30history of the single-lens reflex camerahe history of the single-lens reflex camera predates the invention of photography in 182627 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676uch slr devices were popular as drawing aids throughout the 18th century, because an artist could trace over the ground glass image to produce a true-life.

Latest Projects