Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
A three inch diameter aspheric lense for under 10 dollars! I used this lense in a modified mag light. Installed an SST 50 emitter on a fabricated silver and copper heat sink, made an electronic PWM ballast to run at seven amps, powered it with two D cell lithium ion batteries and the beam proected through this aspheric lense is positively unmatched by anything so far. A solid white shaft of light that shines two to three times further than any other light. Wow
This lense is just what the Doctor ordered.
use an over driven sst 50 with a siver heat sink, project it through this lense and there is a new level of achievement with LED Flashlightology.
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