BMPCC 4k windowed in 1080/24p in ProRES?

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Eugenia Loli

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BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 7:36 pm

I understand that the BMPCC 4k shoots windowed in slow motion 1080p mode and of course, in its RAW 1080p mode. But what about the non-slow motion frame rates (24-30p) and in ProRES? There is no reason why would that specific use case needs to be windowed.

Can someone who owns this new camera confirm if 1080/24p with ProRES is windowed or not?
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Rakesh Malik

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 7:45 pm

It's very rarely windowed. I don't know of any cinema cameras that require windowing for ProRes/DNxHR recordings other than cropping to the correct aspect ratio.

Since it's a DCI camera (1.85:1), that means that UHD (16:9, or 1.79:1) would be cropped, but if you're recording HD, it would crop to UHD and then scale down to HD.
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Eugenia Loli

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 7:51 pm

I'm not asking about some normal sensor cropping, e.g. to maintain 16:9 etc, that is required as you explained. I'm talking about extreme sensor cropping, as in the case of 1080/120 fps. My question is about 1080/24p in ProRES. Does it have this same extreme cropping as found in 120 fps, or not? Someone who owns the camera must confirm this or not, because the manual and the reviews do NOT mention this clearly.
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Robert Niessner

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 7:52 pm

I own the camera. You can choose to record full and have it downscaled or record windowed.
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Eugenia Loli

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 7:54 pm

Perfect, thank you.
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Robert Niessner

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 8:16 pm

I found that sometimes when I'm switching between UHD and HD the camera was suddenly set to windowed mode and I had to uncheck that. Maybe that's the reason some reviewers thought it could do HD only windowed. Looks like a firmware bug.
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Omar Roshdi

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostThu Oct 11, 2018 11:04 pm

Robert Niessner wrote:I own the camera. You can choose to record full and have it downscaled or record windowed.


You're a LIFE SAVER! :))))
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Mark Grgurev

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostFri Oct 12, 2018 12:21 am

I feel like I should mention that this is said in the manual which is available for download on BMD's website.
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Denny Smith

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostFri Oct 12, 2018 1:34 am

This has also been repeatedly pointed out here and on other sites, since the release of the camera on numerous discussion threads. ;)
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Rakesh Malik

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Re: BMPCC 4k windowed in 1080/24p in ProRES?

PostFri Oct 12, 2018 4:21 pm

Denny Smith wrote:This has also been repeatedly pointed out here and on other sites, since the release of the camera on numerous discussion threads. ;)
Cheers


It's also normal operating behavior on pretty much every cinema camera out there.
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