Shutter speed on EX3 Pal system at DVinfo.net

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Old November 27th, 2009, 02:10 PM   #1
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Shutter speed on EX3 Pal system

Normally I have always only shoot in HQ 1080/25P with a Shutter speed of 1/50th

I have been asked to shoot in SP 1080i / 50i with shutter speed 1/50th

But I have noticed there is no 1/50 speed for 50i, not even in the hand book

Question for Doug, in your book you say to use 1/50 shutter speed with 50i, is this a error or are I setting or seeing something wrong (most likely are).

There only seems to be 1/60th shutter speed for SP 1080i

Guess it will not matter but just thought I would ask.

Thanks
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Old November 27th, 2009, 03:39 PM   #2
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Barry,

Some may correct me on this, but I am pretty sure that switching the shutter off will get you the 1/50th that you need if you are set to 1080i.

All the best,

Graeme
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Old November 28th, 2009, 07:09 PM   #3
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Graeme thanks for your advise.

I ended up leaving the shutter switched on with 1/60 shutter speed.

Have done the job and it worked out ok.

With being such a small difference between the two shutter speeds I didn't think it would be a problem and I would rather know what the shutter was doing than let it decide.


Thanks again.

Barry
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Old November 28th, 2009, 07:53 PM   #4
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Hi Barry. If 1/60s works for you that's great, but just be aware that you might see some flickering if you shoot 1/60s under artificial light. Best to switch off the shutter when shooting 50i.

Richard
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Old December 2nd, 2009, 11:33 AM   #5
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I donít tend to shoot interlaced but if I did I think setting an angle of 180 degrees would be better than 1/60.
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Old December 2nd, 2009, 11:44 AM   #6
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Probably not wise Paul, best just to leave the shutter off as we always did in Digibeta days - you shouldn't need it as there should be no blurring as it's 50 frames per second. A faster shutter risks giving you strobing - crank it up to 1/2000 to see an exagerated version of the effect.
Steve
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Old December 2nd, 2009, 12:17 PM   #7
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You got a point Steve.
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