Is this a bad idea?

I have a documentary that I'm shooting in 720p30. There are a few situations where I need to shoot with a very small descrete camera (and where sound is not important).
I want to buy the Nikon D90 - an amazing SLR camera that shoots HD video --- but it only shoots in 720p24.
How will this the material shot in 24 look in a 30fps sequence? And how do you convert it? I've been reading the threads but didn't find anything about converting 24 to 30fps. Any suggestions appreciated.

You asked, we give of our experience and knowledge.
And that's the other issue Mr. Z. You can't experiment until you actually shell out
the money to buy the camera!< </div>
I think you'd be better off with a FlipHD unless you already have a closet full of Nikkor glass. Less than $200, much more discrete than a Nikon SLR, and the FCP workflow is well established.
Shooting video with DSLRs is not new. Folks been doing it for several years at various frame rates. It's a hot topic because of recent Canon and Nikon marketing campaigns. There are huge issues post-processing and ingesting the material: demosaicing from the proprietary raw image format, moiré, pixel averaging, discarding every third line of pixels, as well as inherent loss of focus and exposure control based on how the cameras enter video mode.
Google the Nikon for a few hours of reading. You will find many blogs where you get enthusiastic raves and earnest condemnation of the techniques
Here's the bigger issue and doco producers have faced it for a hundred years: whatever cameras you choose, you must deal with the possibly dramatic changes between your acquisition sources. You can ignore them or make them part of your style. As the filmmaker—the artist—you get to decide. Choose wisely, grasshopper.
bogiesan

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