A really fast lens will help, but if it’s dark, it is dark. Unless you can light the area but I doubt that as you are probably doing environmental time lapses.
One thing I for got to add, what is your exposure. Have you tried longer exposure times to compensate for low light?
I’ve shot 2000 iso on a 5D Mark III and had great results with very little noise. My only guess is you are shooting in a very dark area. What lens and f-stop?
Warren Eig
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