At the coaching summit in Vegas last June, they recommended Mini DVs that use tapes.  There is a problem with the resolution after transfer to the analysis software if using hard drive video cams.  

I personally bought the Cannon ZR850.  The downside is the built in light is not very effective and it does not have the accessory shoe (I think that is what it is called) that allows you to plug in a light as an accessory.
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USBC Bronze Coach

"I cannot change the direction of the wind but I can adjust my sails to reach my destination." Jimmy Dean
Quaker 10/93 - 4/07
Quaker

I use a small/simple digital camera which uses an SD chip for data storage and which can also be used as a webcam or to be plugged into a computer/laptop. Kinda like this one:

http://www.amazon.de/Aiptek-Pocket-DV-T-100/dp/B000NBCAU4/ref=sr_1_12?ie=UTF8&s=ce-de&qid=1200664472&sr=1-12

Low end piece, only digital zoom and 640x480 pixel resolution, since I do not much filming, but it is enough for everyday working.

A good mount is also a must, or at least highly recommended.

Besides, for coaching purposes I am with Thongprincess: better choose a camera
with a digital tape. I think you can connect one with a laptop, too, for live pictures. The AVI format from the tapes is very hi-res and bulky, but if you want a zoom on the release or details from the ball down the lane, this is the better option. The simple/small non-tape cameras will only help with overall shots - but if you are on a budget, IMHO this is enough.
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DizzyFugu - Reporting from Germany

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Edited on 1/18/2008 7:55 AM

I bought this camera (not a true video camera) for $250 plus a $40 4gb card.  It has a 10x optical zoom and with that memory card will take over 100 mins of video at 30 frames per second.  It comes with a fireware cable to hook into your computer and the pics look great too!  It also fits nicely into your pocket.
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Go Buckeyes!!!