Fluorescent on-camera lights?
 

I'm interested, are there any fluorescent on-camera lights on the market (12V belt-powered, 10-20 Watt)?
I haven't found any... the closest I came up with was the Mini-Flo from Kinoflo which could probably be made into an on-camera light, but it's not made for that purpose. Wouldn't a fluorescent on camera light have many advantages? Low power consumption compared to halogen, high output, very soft light.

I just bought a E27 reflector lamp with a 9W fluorescent tube inside which isn't considerably larger than a halogen on-camera light - I guess with a little engineering the size of a 10-20W fluorescent could be made acceptable. What do you think? Would there be any major disadvantages compared to halogen?

Photon Baird make one such light, their Hyperlight. We have around six of them. Quite nice but fairly bulky due to the size of the reflector.

Photon Beard do the dimmable Hyperlight 471. It's fairly bulky, but only consumes 8 watts, doesn't need a diffuser and just lasts forever!

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You beat me to it, Bob!

Bulky is the key with a fluorescent on camera light. I think LEDs make much more sense for this application than fluorescent unless you don't mind the extra weight.

I've been running around for the last couple of years with a Kinoflo on my camera.
Yes it is large (large = soft) but the fill it gives is great. Not a lot of distance/punch.

All of the "soft" on camera solutions like fluorescent and LEDs simply won't have the distance throw of a harder light. They're really for close work. Now, put a 35w metal halide in a small fixture and you'd really have something that could put out an impressive amount of light. Someone demonstrated a small 35w HID spotlight recently on this forum. Just need a smaller fixture than that...

Zylights new Z90 will have quite a lot of throw without any hotspots and still give good coverage for 16:9. Power consumption is still only 30W. I've looked at HID on camera lights, generally expensive and get really hot and don't cover too well however for things like ENG they're still hard to beat when your on camera light might be the only light source.
LED lights such as the Zylight give adjustable CT, in fact any color you like and dimmable etc. But they're not the ultimate solution for every need, they don't have the punch of the HIDs or the diffused source of the Hyperlights. The latter can make a difference in some situations when the 'talent' might object to a bright light shining in their face. One solution is to mount the Zylight on a Noga arm.

for cheap you could try this
http://cgi.ebay.com/48-LED-RING-LIGH...QQcmdZViewItem