I don’t know, but according to the following Library of Congress articles, the film camera was not invented by Edison, but by his assistant William Kennedy Laurie Dickson. The camera apparently was very bulky. I doubt that a bossy person like Edison would want to operate it by himself.

  1. https://www.loc.gov/collections/edison-company-motion-pictures-and-sound-recordings/articles-and-essays/history-of-edison-motion-pictures/

  2. https://www.loc.gov/collections/edison-company-motion-pictures-and-sound-recordings/articles-and-essays/history-of-edison-motion-pictures/origins-of-motion-pictures/