How has the technology, design and cost of cameras changed over the last 516 years?
Websites to use:
If you are looking for every camera ever made: http://photodoto.com/camera-history-timeline/
If you’re looking for the inventors: http://www.engineersgarage.com/invention-stories/camera-history
If you’re looking for the invention of the official camera invention: http://www.inventor-strategies.com/camera-invention.html
If you are looking for the equipment used in modern times: http://www.cameracompany.com/