Best DSLR or ILC for Night Sky Imaging?

Started Nov 8, 2017 | Questions thread
kiwi2
kiwi2 Veteran Member • Posts: 4,398
Re: If you want the best, a dedicated cooled CCD cameras are far better than all the DSLRs and ILCs

Trollmannx wrote:

Have been into telescopes and microscopes and photographic lenses and cameras for a lifetime, even worked in the photo buisiness for a while, and it seems like I (and some others here) have gotten it all wrong all the time...

Well, saying... "For visual use f/ratio is irrellevant" ...is showing your lack of understanding of the subject.

That is ignoring the focal length of the telescope which effects the magnification range you will get with your given eyepieces. Which effects the brightness of diffuse objects.

The size of the aperture relative to the focal length is the f-ratio.

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