Best DSLR or ILC for Night Sky Imaging?

Started Nov 8, 2017 | Questions thread
1llusive Senior Member • Posts: 1,571
Re: one reason a7s is singularly different for ease of AP>

landscaper1 wrote:

You might consider investing in some wide angle prime lenses. I own the Rokinon 24/1.4 and 35/1.4. They're less expensive than the Sigma Art offerings because they're strictly manual focus and aperture. I don't find that to be a problem since autofocus is pretty much useless at night.

And in the case of the 24, the Rokinon is actually better than the Sigma, because the latter needs to be stopped down to f/2.8-4 to get rid of comatic aberrations.

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