some pics for you to compare and get a better idea:-
All pics taken in a pitch black garage. Pic lit by the star head  Same lit by normal dive torch  Spot beam comparison (the white light is the star/yellow conventional)  the two torches together 
hope it gives you a better idea, it passed 15mins of my evening and better than watching corry 
ATB
Gareth
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yodell ♫ lay-od-lay-od-lay-he-hoo, ♫ lay-od-lay-od-low yodellay, ♫ yodallay, yodal-low… The call of the alpine Mountain, it's calling me home |