Some dumb questions I have been wondering about

Started Mar 28, 2013 | Discussions thread
ultimitsu
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Re: Some dumb questions I have been wondering about
In reply to Wellington100, Mar 28, 2013

Wellington100 wrote:

1) Why are camera sensors not square? Surely a square sensor is the most efficient way to get the best out of a lens?

Square would not use the wider side of the lens that current 3:2 sensor use. So overall area is more, but not significantly more. Ideally we should have a large squasheens or that cover both maximum 16:9 ration and 1:1 square, with some part outside image circle and is wasted, like panasonic gh series and lx series. But those are too expensive to make for larger lenses such as ff.

4) What is the optimum resolution for small camera sensors? High resolution sensors seem to add significant file size for little discernible improvement in resolution, so what is the cut off for a functional and well rounded small sensor?

People could come up with random answers in the past, butnowadays we have Nokia preview which has 40m. On a tiny sensor and itkick dominating mobile imaging. So itpay have shown us that there is nooptimum resolution, the more is always merrier.

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