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Re: FS: >110mW Blu-Rays - available
he did.. read it again.
the lens has threads on it which when turned (turning a dial) moves the lens closer or further away from the light, hence changing the focal point distance from the lens.
[link=http://en.wikipedia.org/wiki/Lens_(optics)]check this out for more info [/link]
he did.. read it again.
the lens has threads on it which when turned (turning a dial) moves the lens closer or further away from the light, hence changing the focal point distance from the lens.
[link=http://en.wikipedia.org/wiki/Lens_(optics)]check this out for more info [/link]