Need help, making a flashlight with auto-off sensor (flood type light)

globalmark

Newly Enlightened
Joined
Jan 7, 2012
Messages
38
Location
QLD, Australia
Hi

I want to make some sort of focus light for underwater photography - NOT a focusable light , basically a lamp with a wide beam (flood beam) (min 60˚ but upto 120˚+ is fine) doesnt need a long throw so much as usually used pretty short range.
something like this http://www.bigblue.com.hk/ff-1x5-afo.html or http://www.backscatter.com/sku/fe-ledfl.lasso with maybe bit more lumens/power
needs a sensor or auto shut off so when underwater flash (strobe) fires then this actually turns off for a second or two.

Or Suggestions of a Lamp i can buy and simply add a sensor ?

Does anyone have any ideas where to start - where I can buy a sensor or this parts and what bulb (Led) is best that does not have a hotspot and a wide beam (flood beam) - and any ideas with driver wiring etc.
Can either mod a existing dive torch or make a drop in module change something but need l need help really with the electrics other bit i should be able to sort out ..
I have had a really good search online and here also but couldn't find much on DIY Focus lamps with the auto Off feature ..

Thanks in Advance all
cheers Mark
 
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