Question

1. How long has photography as we know it existed?

Answer 1

well colored t and cameras were invented during the middle of filming the wizard of oz, which is why part of it is in black and white and the rest in color. you find out what year that they were in the middle of making the movie, and you got the time period for for when colored cameras were invented, as for digital cameras, are fairly new

Answer 2

470 to 390 BCE . They were Camera Obscuras which printed the image upside down. ( Pin-hole camera)