Blackmagic stills?

pharaviel

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It's been a lot since my last login... And there was no Blackmagic section at the time :)

A friend of mine (not into m43) was talking me about the great videos that the pocket camera takes. I knew about the camera but I've never been good in taking videos.

Now, my question is this: if you even ever tried this, how good is the pocket camera for stills?
I was thinking about that for events : I usually take photos and... How good would be the quality taken from a movie still? I assume it would be limited at 1920 X 1080 resolution, so just a 2mpix image. Still good for Web, that is my main use...

What are your thoughts on this? The idea would be to get stills from short, 2-3 second videos.
 

KBeezie

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If the videos are saved progressively, you would be able to get a 1280x720 (0.9 Megapixel) still from a 720p or 1920x1080 (~ 2.0 Megapixels) still from a 1080p video or 3840 x 2160 (~ 8.2 megapixels ) from a 4K video.

If not progressive, then what you may get with a single interpolated frame you may get the appearance of scan-lines or something like that since it has a mix two neighboring frames.

So like you said, 2MP may be decent for web, but you may notice artifacts and compression in a single non-moving image than you would in a series of moving frames.

My question would be, why get a video camera solely for stills, when you can probably get quite a decent still camera for the same price if you're not going to bother with the video? Unless of course you already have one laying around.
 

OzRay

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If the still examples from the Panasonic GH4 are anything to go by, then the stills that you can get from the Blackmagic should be pretty good. Of course the non-4k Blackmagic stills won't be as good, but for web use they should be more than fine. I've taken still from video shot with my E-M1 and they are quite usable. From memory, this is one from a video sequence:

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kinlau

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Make sure you do your research. The pocket cinema camera is truly just a movie camera, there isn't even a shutter button, the sensor size is Super16, much smaller than m43 so you'll have difficulty get wide angles. It shoots in CinemaDNG, so you actually get a DNG raw file for each frame but it's only 1920x1080. AF isn't anywhere near what your typical m43 stills camera can do.

You'll notice I call it a movie camera rather than video, since it's not designed to be used like a regular video camera either, it works better with some rigging or support.
 

Lobbamobba

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Stills isn't their thing really, they can shoot 2, 2,5 or 8mp Raw in sequences of 24-80 per second for unlimited time.
So yeah the gh4 and them have nothing to brag about in that department.
Sadly that's where it ends :)


Like someone said, if you shoot Raw instead of Prores you get individual DNGs.
But Raw isn't exactly event friendly.

Some use the time-lapse function so the shutter button will act pretty much like a normal one (press twice). But thats more for BTS or if it's all you got.

All in all, better to bring a cheap gf5 or something alongside the Pocket for events.

With that said, here is a frame from the other day.

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tkbslc

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You might look at the LX100 if that is your goal. It shoots 4K video, which has 8MP frames. They even have a special mode for shooting video intended to be used as still photos. Doesn't have a lens mount, but it's got a pretty good lens on it for events already.
 
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