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Panasonic DVX / DVC Assistant
The 4K DVX200 plus previous Panasonic Pro Line cams: DVX100A, DVC60, DVC30.


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Old August 25th, 2003, 11:25 PM   #1
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Depth of field

Can anyone tell me how to get the good depth of field shot were you can focus on your subject and thew backround is totaly blurred with our a filter? It makes it look more filmmic.


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Old August 25th, 2003, 11:37 PM   #2
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http://www.dvinfo.net/conf/showthrea...Depth+of+Field

Happy reading! :-)
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Old August 25th, 2003, 11:46 PM   #3
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It all seeems a bit complicated for me i wanted to see a more simple way of how to do just like a couple of sentences to explain how to get it not a bunch of math formulas and wierd science eqaution. I mean surley its not that hard. Don't get me wrong though that was a great report.

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Old August 26th, 2003, 12:03 AM   #4
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It's not THAT hard, but there are plenty of variables. If you shoot zoomed in with the subject relatively close and the background a good distance away (in other words, not right behind the subject) while keeping the aperture open as much as possible (using ND or bumping up the shutter outside to achieve this), you can achieve a softer background. There is no single formula to use for every shot, however...if you need to shoot wide angle, you simply will not be able to throw out the background by conventional means.
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Old August 26th, 2003, 12:07 AM   #5
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Yup, as Mr Papert says, you won't be able to do this without using the telephoto end of the lens, and having the aperature open all the way. With 35mm film, and cameras with big sensors, a shallow DOF is easy to pull off.
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Old August 26th, 2003, 01:58 AM   #6
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<<<-- I mean surley its not that hard. -->>>

It is, and it isn't. It is not hard to get the best that your camera can deliver, but it is usually extremely difficult to get satisfactory results.

To get the best the camera can do: zoom in as much as possible, get as close to your subject as you can while being fully zoomed in, and open the iris as much as possible, and keep your subject as far away from the background as possible.

Those are the rules, and they will get you as good as your camera will get. But using those rules, you will never be able to accomplish what larger cameras can do -- i.e., you'll never match what a 35mm, 16mm, 2/3" HD camera, or 1/2" video camera will be able to do.

If you're still not getting a satisfactory shallow-DOF look, there is another way, which is to use a product I manufacture, the SoftScreen (www.softscreen.us). It is an optical panel that you put behind your subject, and the panel itself throws the background out of focus. With it you don't have to do any zoom in/iris up/etc finagling, but you do have to watch for reflections and you are somewhat limited to only being able to do closeups, because of the physical size of the screen.
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Old August 26th, 2003, 12:44 PM   #7
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Ok thank you guys alot for those tips (very helpful).
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Old August 28th, 2003, 06:27 PM   #8
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Easy to do Depth of Field

Here's an alternative!

http://www.fiercely-independent.com/SoftScreen.html
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