Still image size in 4k film

[NewYork1952]

I am producing a documentary and will have still images in the project. My questions: The film is being shot in 4k(3840x2160) so do I resize my still images as close as possible to the 4k pixel size, and do I make sure that the resolution is high (250-300) The film will be shown in theaters. btw I am using ON1 Resize

Thanks in advance for your feedback

Jerry

 

[MacNut]

What is the native resolution of the pictures?

 

[bogdanw]

so do I resize my still images as close as possible to the 4k pixel size

Try to get the image to 3840x2160, you will be upscaling it anyway when exporting the movie and ON1 Resize probably does a better job than any video editor.
Thread about upscaling https://forums.macrumors.com/threads/upscaling-1080p-footage-to-4k.2340662/

 

[Nermal]

Theatres are typically 4096x1716 or 3996x2160 depending on the aspect ratio. Are you sure 3840x2160 is the correct 'target' for this project?

 

[NewYork1952]

What is the native resolution of the pictures?

some of the images are 96 ppi

 

[NewYork1952]

Theatres are typically 4096x1716 or 3996x2160 depending on the aspect ratio. Are you sure 3840x2160 is the correct 'target' for this project?

I am not sure. I am still learning about taking video. All youtube tutorials by the "established filmmakers" recommend taking video at 4k. can you suggest an online resource that covers this subject?

 

[MacNut]

some of the images are 96 ppi

Are they scans?

 

[MacNut]

Theatres are typically 4096x1716 or 3996x2160 depending on the aspect ratio. Are you sure 3840x2160 is the correct 'target' for this project?

Moist likely these pictures will not be filling the screen. But clarity is key.

 

[NewYork1952]

Are they scans?

I am downloading them from an archive site

 

[MacNut]

I am downloading them from an archive site

Do you have the rights to use the pictures?

 

[NewYork1952]

Do you have the rights to use the pictures?

yes