25p vs 50i (PAL) at DVinfo.net

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Sony HVR-Z7 / HVR-S270
Handheld and shoulder mount versions of this Sony 3-CMOS HDV camcorder.


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Old August 26th, 2008, 03:05 PM   #1
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25p vs 50i (PAL)

Hi,

I am coming from a V1E where I always shot 50i and then converted to progessive in my NLE.

I am now thinking about shooting 25p on my Z7E. I shoot action sports so will be using 100-250 shutter speeds.

Is this a good idea? I would like the best picture possible.
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Old August 26th, 2008, 03:55 PM   #2
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Be wary of using too high shutter speeds as the image starts to strobe and get flickery. General rule even for action is shutter speed double frame rate, so 1/50th at 25P.
Steve
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Old August 26th, 2008, 04:44 PM   #3
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So 50i is more useful to me then.

I often shoot in bright sunny conditions... Maybe some additional ND filters would help..
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Old August 26th, 2008, 05:04 PM   #4
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Quote:
Originally Posted by Brendan Pyatt View Post
So 50i is more useful to me then.
Nope. As said 1/50th at 25P for action sports.
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Old August 26th, 2008, 05:17 PM   #5
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Sorry i should have been clearer in my response.

As I shoot in bright sunshine I am often forced into a high shutter speed. If I were to use more ND filters then I would be able to keep down the shutter speed to 1/50th allowing me to use 25p.

If i don't use additional ND filters shooting at 50i would allow me to use a shutter speed of 1/100th whereas 25p only allows 1/50th.
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Old August 26th, 2008, 06:41 PM   #6
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Yeah - remember doubling to 50i is just general rule... it would need testing on the specific subject. So I would experiment with 50/100/200/250/500 etc... with a mix of ND filters, edit all the way through to DVD and play on plasma/lcd to come up with a preferred look and make sure there are no bugbears.

That's the fun of playing with this new gear - often it's a matter of just trial and error. Good way to learn about the cameras capabilities though!
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