It needs a aperture, compound lens, a photosensitive plate or paper, and a included box for the photosensitive paper to not get exposed by other light sources or a box that is black covered inside and out to not reflect any other light other than what comes thru the aperture or the shutter to precisely capture a amount of light to expose the film properly and not over or under expose it.
Explanation:
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16:9 is the answer.It is the standard size for high definition widescreen
Could you please provide the choices? thank you!
