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 Post subject: Green Screen Photography
PostPosted: Mon Jan 21, 2008 2:56 am 
I'm interested in doing this at photographing parties, school parties, etc. and the thought that I could take the picture and get someone to edit it and put virtually any background and sell it.....

I'm going to buy FxHome's photokey software pretty soon

Any tips? Lighting? Equipment? Pricing? Help?

Thanks
Fearless Leader


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 Post subject:
PostPosted: Mon Jan 21, 2008 4:02 am 
Well I guess that photography with a green screen is the same as videography with a green screen. So it would be easier with photography and you will just need photoshop really, I watched this video and it said that you need to have the green screen brighter than any light in that room so on the video he had to twin flood lights on polls pointing at the screen then you just stand half a meter or something (just so your not casting a shadow) and take the photo. Simple I was actually interested in this as well. I think the hardest thing with photography is that you can't use a flash or if you are make it so it doesn't cast a shadow after that your set.

Have fun.


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 Post subject:
PostPosted: Mon Jan 21, 2008 6:01 am 
The idea of a green screen is to remove the background using a chroma-keyer. This is necessary in movie making, since you can't isolate the foreground frame-by-frame.

In photography, it's actually more cumbersome to use a green-screen and chroma-keyer than it is to simply cut out the person, using photoshop.

There are a number of programs that allow you to cut out the person from a picture and none of them require a green screen, since you are not using a chroma-keyer.

The challenge in a photo is to make the lighting appear natural..or rather, consistent with the new replaced background.

Photoshop has a feature that allow you to merge two layers so that the top-layer has the same lighting as the rear layer.

There are a number of good photoshop tutorial sites out there that can show you - step-by-step - how to do all of this. You can Google it, but here are a few sites I use:
http://www.good-tutorials.com/
http://www.photoshoproadmap.com/Photoshop-tutorials
http://www.tutorial9.net/

So, you can possibly save yourself some floor space and some studio lights and instead do it all on your PC.

Whatever solution you end up using, it would be great if you could share a few examples (or more!) with us :-)

Cheers!


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 Post subject:
PostPosted: Mon Jan 21, 2008 4:12 pm 
LahLahSr wrote:
Photoshop has a feature that allow you to merge two layers so that the top-layer has the same lighting as the rear layer.


Hmmmm...... Interesting I've never heard of that before, do you know how to utilize that feature? Another thing is what about bounce flash from a SB-600 on camera, will that give me the results I need? Thanks!

B.T.W. Thanks for the help everyone!


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