a7iv 4k60 + post crop vs A6400 ?

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3V AudioVideo
3V AudioVideo Regular Member • Posts: 142
a7iv 4k60 + post crop vs A6400 ?

I'm thinking the crop in the a7iv may actually be to my benefit.

I usually shoot in 1080 60fps on my A6400 as I prefer the look over 30fps. But if I am too far away from my subject (I do lots of rock concert videos) then I will switch over to 4K30 so that in post, I can do some cropping (up to 2X) on parts of the footage. Using the a7iv, I can stay at 60fps in 4K.

What would give me better image quality? a7iv 33MP FF camera in 4K60 crop mode or the A6400 24MP APS-C in4K30? 2nd question: if a future APS-C 24MP Sony came out with 4K60, how would it compare with the a7iv in 4k60? And my 3rd and finally question: if a future APS-C 33MP Sony came out with 4K60, how would it compare with the a7iv in 4k60?

If there are any formulas that can be used to do calculations, that too would be helpful. Thanks!

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