Simple answer is "Yes".
A good way to start is to start on a DSLR. A cheap modded DSLR goes for around 300 bucks or so, and gives you a nice wide sensor, and good sensitivity. Noise is your only issue, but its livable with.
Once you gain some experience, you can move to the area that best suites your purse and needs, Mono (LRGB), or one shot color.
Theo.
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