More compliated than just a beam or two. It projects a
vertical/horizontal red and black cross-hatch pattern with the vertical
component appearing to be longer and broader than the horizontal
crossing lines. I had to go check it in a darkened room to see it.
Tim Hughes wrote:
> I wonder whether there is anything special about the autofocus assist, ie
> geometry of beam, must
> come on at a certain moment etc. Maybe a few narrow beam hi power, infrared
> LEDS hooked up to the
> low voltage output of a quantum pack and left on continuously, would also
> work? Somebody with
> time on there hands could give it a try? You could then use any flash
> including high power studio
> flashes etc.
> Actually I wonder same question for Oly products, that use flash LED focus
> Do some of them use two beams with some sort of triangulation for example.
> Tim Hughes
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