Not correct many photographic images are made not using a camera, for instance: laying an object on a piece of photographic paper then exposing it to light, the silhouette of the image is captured on the paper. Man Ray experimented with this style along with many other early photographers/artists. Pin holes in walls making huge images on interior walls are not technically camera’s, there are many examples of photographic images being made not using a camera. I think a screenshot is as valid as these.
What do you think?
What do photographers think?
This is definitely an image - but is it a photo?
How about this?