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Panasonic LUMIX G / GF / GH / GX Series
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Old September 14th, 2013, 08:01 AM   #1
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GH3 frame rates

Being math challenged, the percentage thing is a mystery to me!

Can someone share a conversion of the percentages into actual FPS numbers?

Thanks!
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Old September 14th, 2013, 09:11 AM   #2
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Re: GH3 frame rates

Percentage regarding to what? Chip space? Battery life?
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Old September 14th, 2013, 09:13 AM   #3
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Re: GH3 frame rates

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Originally Posted by William Hohauser View Post
Percentage regarding to what? Chip space? Battery life?
Frame Rate. What is the fame rate at the various percentage settings?
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Old September 14th, 2013, 12:59 PM   #4
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Re: GH3 frame rates

Are you perhaps thinking about shutter speed (rather than frame rate) as expressed in degrees (rather than percentage?).

For example, in the film industry, a 180-degree shutter means that the shutter is open 1/2 of the duration of a frame. Film frame rate is usually 24fps, so a 180 degrees means the shutter is open for 1/48th of a second. Not sure about the GH3, but on a GH2 the closest shutter speed to 1/48th is 1/50th.

If that's not what you're asking about, apologies... but can you please provide an example of the reference where you're seeing percentages?
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Old September 14th, 2013, 01:13 PM   #5
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Re: GH3 frame rates

In the GH3 menu, in video, there is a frame rate tab.

In the frame rate tab; the selections available are OFF, 40%, 48%, 80%, 160%, 200%, 300%.

These are variable frame rates. I think they are percentages of 24 FPS, not 30. But I'm not sure.

40% of 24 FPS would be 9.6 FPS.
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Old September 14th, 2013, 01:28 PM   #6
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Re: GH3 frame rates

Just did some quick tests.

The 80% is just barely slo-mo
the 40% is quite a nice slo-mo
300% is keystone cops territory.

So from my past experiences, the 80% looks like shooting 30fps and projecting 24 fps. Slight effect.

the 40% looks like shooting 48fps for projection at 24 fps.

Would love to know what these percentages actually translate into.
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Old September 14th, 2013, 03:11 PM   #7
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Re: GH3 frame rates

Page 185 of the GH3guideUSA.pdf says that regardless of other settings this mode sets 1080/24p at 24 Mbps with no sound.

Fran
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Old September 14th, 2013, 04:18 PM   #8
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Re: GH3 frame rates

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Originally Posted by Fran Guidry View Post
Page 185 of the GH3guideUSA.pdf says that regardless of other settings this mode sets 1080/24p at 24 Mbps with no sound.

Fran
Are you trying to say that whatever I set the option to, from 40% to 300%, I'm still at 24 FPS?

That is NOT what is happening. See my observations above or try it yourself.
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Old September 15th, 2013, 01:16 AM   #9
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Re: GH3 frame rates

No, I'm saying that the percentage change is in relation to 24 fps.

Fran
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