History camera - wikipedia, The history camera traced introduction photography. cameras evolved camera obscura, continued change. https://en.wikipedia.org/wiki/History_of_the_camera A beginners guide 35mm film photography - instructables, The part loading camera setting proper iso asa rating. camera dial . ring outer numbers. . http://www.instructables.com/id/A-Beginners-Guide-To-35mm-Film-Photography/ Leica camera - wikipedia, The 35 mm film leica prototypes built oskar barnack ernst leitz optische werke, wetzlar, 1913. intended compact camera landscape. https://en.wikipedia.org/wiki/Leica_Camera