1080p for SD delivery w/ EX1?
Is there any reason to shoot in 1080p with the EX1 if you're delivering in SD? I shoot now with a JVS HD100 which is 720p and it looks fine in SD. How different would the image look going from 1080p to SD instead of 720p to SD?
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I still deliver mostly in SD but I still shoot everything in 1080 30p. Mostly for one reason: because I can.
The best HD sets are 1080p and if the industry does indeed go that way then all my stuff is still good to go in full native resolution. So I think the answer to your question is no. I don't think there's much of a difference between 720 and 1080 once downconverted. My understanding is that the math is a little easier since to downconvert 1080 to SD and fill the frame it's a straight 50% sizing but I don't think that's going to make that much of a discernible difference. But can I tell the difference once it's encoded to a DVD and played on most TVs? No. |
Thanks for the response. Is the file size much larger and is the workflow affected at all by choosing 1080p over 720p?
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File size is the same. Shooting 1080 for SD (or for 720 HD) is also great in that you have so much extra room in the frame if you shoot a bit wide--create camera moves, crop in, use FCP smoothcam filter without scaling, etc.
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That never occurred to me. The only concern is down the road when you play it on a 1080p monitor and those zooms and crops lose resolution, no?
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Absolutely. If there's any chance you'll need the shots at 1080p, then that's out. A nice compromise is to shoot 1080 for a 720 frame. You can do some moves and still deliver HD. I like this best for timelapse shots to add camera moves. Here's a car race highlight I did showing that: http://robcollins.net/racein5.mp4
All the timelapse is EX1 at 1080 scaled into a 720 frame, allowing the moves. Most of the other shots were with HVX200's. You can spot them by all the noise! |
Rob. Thanks. I couldn't access your clip, but I did visit your site. I also interviewed Fred Buechener for a completely different project - about two months ago. Small world.
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Bill: try this link (not HD but OK): http://robcollins.net/racein5/racein5.mov What did you interview Fred for? Feel free to email me since it's a bit off topic!
Piotr: Thanks! It was rather hastily thrown together to give the client some eye candy. I didn't work on the sound at all--your comment is quite right. The actual project is company videos for the car's sponsor. |
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Good looking video. I can't wait for another racing season. |
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