Wanted: ARC4+ "Turbo-Head"

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sotto

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Wanted: ARC4+ \"Turbo-Head\"

OK, this is what I (a tight beamaholic /ubbthreads/images/graemlins/huh.gif) would be enthused about spending some coins on...a "turbo-head" type attachment that would strongly focus the beam and significantly increase the throw of my ARC4+. I'd prefer that it be easily and conveniently attachable and removeable.

Thanks.
 
Re: Wanted: ARC4+ \"Turbo-Head\"

With the way the ARC4 is constructed, i think such an accessory would require either a complete new head/LED/Circuit assembly, or the end user would have to disect their ARC4 heads to get the LED/circuit out.
I cant see such an add-on being released or made in the form that you want.
 
Re: Wanted: ARC4+ \"Turbo-Head\"

An extension of the parabolic reflector might help. Of course, this would significantly increase the length of the flashlight.
 
Re: Wanted: ARC4+ \"Turbo-Head\"

asdalton and kakster:

Yes, I should have specified I wasn't thinking of a new head, just an add-on beam focusser of some sort. I don't really care much about additional length since in my vision it would be easily removeable and just an occasionally used accessory.
 
Re: Wanted: ARC4+ \"Turbo-Head\"

with the way the arc is designed, the only chance you might have to do this would be some kind of magnifying lens in front of the the reflector.

a "turbohead" just wouldn't work...
 
Re: Wanted: ARC4+ \"Turbo-Head\"

"add-on beam focusser"; sign me up for some of these too! /ubbthreads/images/graemlins/thumbsup.gif /ubbthreads/images/graemlins/grin.gif

Damn the physics, photons ahead! [did I get that right? /ubbthreads/images/graemlins/icon3.gif]

OK, I'll get it myself..... /ubbthreads/images/graemlins/twakfl.gif /ubbthreads/images/graemlins/whoopin.gif
 
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Re: Wanted: ARC4+ \"Turbo-Head\"

Just adding a larger reflector ring will not do too much to the bream. Of course you can add the spill to the hotspot.
The only solution would be a custom lens added to the front. To develop and manufacture such a thing will be a major project. But maybe you find a lens which does the job, pretty easy to experiment with.
 
Re: Wanted: ARC4+ \"Turbo-Head\"

The turbo-head probably would be along the lines of an Inova XO or X1--these use an optic to strongly focus the beam forward for maximum throw. Maybe a large Fraen lens? Or even a Fresnel lens?
 
Re: Wanted: ARC4+ \"Turbo-Head\"

Why large? There is no need to make it much larger than the recent lens (maybe 30-35mm).
I also thought about a Fresnel lens, but a plastic lens should be light and small enough.
 
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