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Sony VX2100 / PD170 / PDX10 Companion
Topics also include Sony's TRV950, VX2000, PD150 & DSR250 family.


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Old August 26th, 2004, 09:18 PM   #16
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Regarding shallow focus, I'd usually like as much depth of focus as possible. I mainly do sports events and wildlife video. Not only do I want to sharply show all parts of the scene, but when key subjects rapidly change their distances from me, good depth of focus is essential for following them. There's a lot more uses for video than the artistic moviemaking that seems to be the main area of interest on these forums.

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Old August 26th, 2004, 10:24 PM   #17
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Use a relatively long lens setting with a ND filter if you need to open the lens. You can get a very shallow depth of field.
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Old August 27th, 2004, 04:30 AM   #18
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What can I use on a PD150 to get a god shallow focus?
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Old August 27th, 2004, 11:36 AM   #19
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Exctly what I said. Try it and you will see that at longer focal lengths and an open aperature, the DOF is fairly small. Certainly enough to do some rack focusing although that is a bit tough with the 150.

For example, I just switched on in auto, ND2 in place and manual focus. I was able to focus on the top near corner of a kitchen chair and then shift the focus to the top far corner. This was apparent even in the viewfinder. On a monitor, it would be more apparent.

Understand we aren't talking about a massive amount of focus change but enough for the audience to understand the shift in attention such a change makes.

Add more ND filtering to taste.
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Old August 27th, 2004, 01:44 PM   #20
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Ok, Mike

I'm using the ND2 and a Scneider ND.9 in the mattebox and I can't get any god shollow dof. It's more than nothing but not what I want.

Watch the end of this movie :
http://www.arri.com/infodown/other/movies/What_is_ARRICAM.mov

They are using a shuttersped/iris combination to make the effect. I know the media is something else but it's not just the objectiv and ND.
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Old August 28th, 2004, 11:45 AM   #21
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back up and zoom in on your subject, that should help you get more shallow focus as well
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