1. Research on my Final Photography PieceAncient times: Camera obscures used to form images on walls in darkened rooms; image formation via pinhole.16th century: Brightness and clarity of cameraobscures improved by enlarging the holeinserting a telescope lens.1727: Professor J. Schulze mixes chalk, nitricacid, and silver in a flask; notices darkening onside of flask exposed to SunlightWorld War II: Development of multi-layer colournegative films1963: First colour instant film developed byPolaroid; Instamatic released by Kodak; firstpurpose-built underwater introduced, theNikons1983: Kodak introduces disk camera, using an8x11mm frame (the same as in the Minx spycamera). First Adobe Photoshop being inventedin the 199021 Century: Camera phone introduced in Japanstby Sharp/i-Phone