Innovation Timeline: The Camera's Evolution

Minya S/Wikimedia Commons
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1936: Kine Exakta 35mm (SLR)

Time from shot to photo: A few hours, if you had your own darkroom, which you probably did if you owned one of these

Cost: Up to a whopping $225 (in 1936 dollars)

Ideal subject: The not-dead. Thanks to 1/1,000th-of-a-second shutter speed