Zooming in on 4K 3840x2160 footage, when delivering in HD

Fri Mar 08, 2019 1:31 am

Hello,

I recently shot a short film with an ARRI AMIRA, on 4K UHD 3840x2160. I was wondering what percentage can I zoom in on the footage if we are delivering in HD, without losing considerable quality.

Thanks,
Emiliano Urquiza
eurquiza
 
Posts: 1
Joined: Sun Mar 03, 2019 3:32 am

Re: Zooming in on 4K 3840x2160 footage, when delivering in

Wed Mar 13, 2019 1:08 pm

Dear Emiliano,

there's no rule of thumb.
Since AMIRA doesn't have a true 4K sensor, the 4K UHD you recorded has already been enlarged by 1.2 (it originates from 3200x1800).
Give it a try, have a look at it on the target device/screen.
If it becomes too soft you've gone too far or use sharpening in post.

Kind regards,
Jan
Jan Heugel
Application Engineer
Jan Heugel
 
Posts: 330
Joined: Wed Aug 13, 2014 3:15 pm
Location: Munich, Germany

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