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Author Topic: 4K 15 FPS  (Read 5469 times)

scoobert

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4K 15 FPS
« on: November 20, 2012, 07:51:13 AM »
is 15 fps in 4K worth anything? or will it be all choppy?
looking at the gopro3 and thats the top resolution for video.
i am just thinking cropping that down to 1080P would get rid of some of the fish eye factor that these cameras display.
the other option is 2.7K at 30 fps.

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4K 15 FPS
« on: November 20, 2012, 07:51:13 AM »

RLPhoto

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Re: 4K 15 FPS
« Reply #1 on: November 20, 2012, 12:41:38 PM »
is 15 fps in 4K worth anything? or will it be all choppy?
looking at the gopro3 and thats the top resolution for video.
i am just thinking cropping that down to 1080P would get rid of some of the fish eye factor that these cameras display.
the other option is 2.7K at 30 fps.

For time-lapse shooting 4K @ 15fps could be useful.

scoobert

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Re: 4K 15 FPS
« Reply #2 on: November 20, 2012, 07:55:11 PM »
their target is to record in 4K not timelapse it.
they offer cinema 4K as well at only 12 fps.
its a microsd card limit.

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Re: 4K 15 FPS
« Reply #3 on: November 20, 2012, 07:58:19 PM »
their target is to record in 4K not timelapse it.
they offer cinema 4K as well at only 12 fps.
its a microsd card limit.
You missed his point.  15 or 12 FPS  will look choppy like a time lapse video.  If you like the old time movie look, its usable.  Even 24fps is a bit choppy.

RLPhoto

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Re: 4K 15 FPS
« Reply #4 on: November 20, 2012, 07:59:36 PM »
their target is to record in 4K not timelapse it.
they offer cinema 4K as well at only 12 fps.
its a microsd card limit.

???

scoobert

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Re: 4K 15 FPS
« Reply #5 on: November 20, 2012, 07:59:52 PM »
ok, but 24 frames is what standard tv is now???

sandymandy

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Re: 4K 15 FPS
« Reply #6 on: November 29, 2012, 02:44:52 PM »
There is 24fps or 25fps.

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Re: 4K 15 FPS
« Reply #6 on: November 29, 2012, 02:44:52 PM »

Jesse

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Re: 4K 15 FPS
« Reply #7 on: November 29, 2012, 03:25:34 PM »
TV in North America is 30fps.
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Jay Khaos

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Re: 4K 15 FPS
« Reply #8 on: November 29, 2012, 03:34:29 PM »
24 isn't choppy, its the most normal looking to the eye.  60fps viewed on a screen with a high enough refresh rate looks more fluid like a home video... almost looks worse.  That's subjective though I guess.  Most productions are filmed at double the FPS the final product will use, so that they have the freedom to do slow-mo without loss.

4K at 15 fps is pointless.  It's a spec acheived purely for marketing benefit if you ask me.  And even if it got 4K at 24fps, with the IQ of the GoPro, you'd be better off scaling up the resolution of DSLR video taken at 720p.  Id be willing to bet the IQ will still be as good or better. 

4K = 9.something megapixels by the way.
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DJP

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Re: 4K 15 FPS
« Reply #9 on: November 29, 2012, 03:57:20 PM »
is 15 fps in 4K worth anything? or will it be all choppy?
looking at the gopro3 and thats the top resolution for video.
i am just thinking cropping that down to 1080P would get rid of some of the fish eye factor that these cameras display.
the other option is 2.7K at 30 fps.

I just did a quick search on youtube, this is 4k at 12fps downscaled to 1080p GoPro Hero 3 Black 4K Driving Test 12fps converted via Cine Form    The quality is good although the 2.7k is more usable. But I am pretty sure the gopro has different field of view settings so you can change it to get less of a fish eye effect.
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dr croubie

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Re: 4K 15 FPS
« Reply #10 on: November 29, 2012, 04:05:48 PM »
I just did a quick search on youtube, this is 4k at 12fps downscaled to 1080p

thanks for the link, but wow that looks horrid, not just the fisheye effect but it really does look choppy (esp the beginning with cars going across the screen).
It might have some 'artistic' uses, like a lensbaby, pinhole, or expired film, if you're into that. But i wouldn't buy one expecting it to be any good.
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DJP

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Re: 4K 15 FPS
« Reply #11 on: November 29, 2012, 04:24:29 PM »
I just did a quick search on youtube, this is 4k at 12fps downscaled to 1080p

thanks for the link, but wow that looks horrid, not just the fisheye effect but it really does look choppy (esp the beginning with cars going across the screen).
It might have some 'artistic' uses, like a lensbaby, pinhole, or expired film, if you're into that. But i wouldn't buy one expecting it to be any good.

The choppyness is a problem, but because the frame rates are customisable it is more suited to timelapses etc where you then conform the video to playback at a smooth frame rate. The 2.7k setting is very nice, I just wish i was getting one. Also the 720p at 120fps is a very good feature allowing really good slo mo, would be worth it for that as well as the versatility and size of the camera
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87vr6

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Re: 4K 15 FPS
« Reply #12 on: November 29, 2012, 04:34:53 PM »
oh no, something that only costs 400 dollars and produces superb video isn't perfect? You mean I can't replace my canon C300 with this?

 ::)

God, give some people an inch and they want a mile...

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Re: 4K 15 FPS
« Reply #12 on: November 29, 2012, 04:34:53 PM »

ChrisAnderson

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Re: 4K 15 FPS
« Reply #13 on: November 29, 2012, 05:41:46 PM »
oh no, something that only costs 400 dollars and produces superb video isn't perfect? You mean I can't replace my canon C300 with this?

 ::)

God, give some people an inch and they want a mile...


I don't think that's what people are wondering about,  it's that this particular feature doesn't seem to have any feasible application.  If you want to do a timelapse, there's a feature on the camera specifically for that.  The 4k framerate is too low to do anything with, and nobody I know can actually view native 4k anyhow. 

dmills

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Re: 4K 15 FPS
« Reply #14 on: November 29, 2012, 07:22:21 PM »
It may be an option for people that want to set it up at an event on a tripod and pull stills from it? 4k is about the resolution point where I'd be thinking it's nice to have wide-angle stills that record a 'strategic angle' or position at an event. Especially if it's an angle or position that I won't have the chance to go near very often. (If that makes sense?)
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Re: 4K 15 FPS
« Reply #14 on: November 29, 2012, 07:22:21 PM »