How was the camera obscura primarily utilized by artists before the invention of chemical photography?
Answer
As a drawing aid to trace projected images
For centuries, the camera obscura functioned as a valuable tool for artists rather than a means of automatic image capture. Artists used the darkened room to project an accurate, inverted image of a scene onto a surface, which they would then trace by hand. This allowed for highly precise sketches and compositions, relying on the optical projection as a guide, long before the ability to fix an image onto a light-sensitive surface existed.

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