Need a small (less than 30mm aspherical lense for a SST-90 project

BobBarker

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Mar 19, 2012
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I'm currently working on a project prototype (I don't want to be too specific, being that It's been suggested that I patent it when I have a working prototype) that uses a Luminus SST-90 and a Cree XM-L.
I don't really know that much about raw optics, so if anybody know a good source of info in the internet I'll be happy to read it.

But what I'm looking for is something that will give about 18-24" at about 15' so about 5.7-7.6 degrees (full angle, not half). I would like it to wast as little light as possible (in the for of spill). I realize that a small aspherical lens is not the best for light transmission but I cant really fit anything bigger than about 30mm, and a 25mm lens would really be better... The cost of the lens isn't really a concern, though lab created diamond might be a bit out of the price range.

Also, if a 45x90 reflector for the XM-L comes to mind... I'm also looking for that too... Thanks!

Anthony "Bob" Barker
 

DM51

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Welcome to CPF, Bob :)

ahorton's sale thread is here.

The SST-90 emitter is physically quite large, so I'm not sure how well it will work with a small diameter aspheric lens.

Maybe someone else who has tried it will chime in here.
 

BobBarker

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Mar 19, 2012
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Oh, I forgot...

My name is Bob,
And I'm a flashaholic..

Thanks for the welcome DM51
 

rufusbduck

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Jan 13, 2009
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Google "cutter electronics" and click "products","optics","lenses for Cree LEDs". There are several options to choose from.
Good luck
 

awenta

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Oct 27, 2009
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Oxford, CT
Sounds interesting. Usually aspherical lenses benefit from the smallest emitter possible (EZ900?) which neither of those are. It will also have to be pretty long or that SST-90 will be very under driven.

Good luck! Looking forward to seeing it.
 

BobBarker

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Mar 19, 2012
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Sorry it's been so long to get back... Been working on things

awenta, I'm just wondering what you mean by it will have to be pretty long or the SST-90 would be under driven?

Thanks again everyone for the suggestions.
 
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