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Sony HVR-Z1 / HDR-FX1
Pro and consumer versions of this Sony 3-CCD HDV camcorder.


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Old August 30th, 2007, 06:00 PM   #31
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Frames get duplicated.
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Old August 30th, 2007, 06:24 PM   #32
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Originally Posted by Jim Michael View Post
How can your shutter speed be slower than your frame rate?
Tom's right. But since it's an interlaced camera you also take a resolution hit. If the shutter is open for 1/30th sec then the same data is written to each 60i field and you lose 50% of your resolution. If you're shooting standard definition or downconverting and capturing as regular DV this shouldn't be much of a problem however. There are 1080 lines to start with, so chopping that down to 540 still gives you plenty for a 480 line DV image.
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Old August 30th, 2007, 08:11 PM   #33
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Interesting. I was thinking of it like film through the gate which would limit the density possible from exposure. I'll have to play around with that a bit.
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Old August 30th, 2007, 08:29 PM   #34
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Tom's right.
I'm sorry - that should have been attributed to Ian!
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Old August 31st, 2007, 02:25 AM   #35
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Easy. Select shutter speed and turn the dial to give you the speed you'd like. From 1/3rd sec to 1/10,000th sec, the choice is yours.
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Old August 31st, 2007, 10:26 AM   #36
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Originally Posted by Boyd Ostroff View Post
But since it's an interlaced camera you also take a resolution hit. If the shutter is open for 1/30th sec then the same data is written to each 60i field and you lose 50% of your resolution.
It's interesting that in Avid, if I step through footage I shot at 1/30 field by field, I do indeed see that the same data is written to each field, but I can also see the entire field move up and down a scan line when I toggle back and forth. I would think this gives a one scan line vertical blur.

Or am I just off my rocker?
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