Audio Project Amplifier Speaker Loudspeaker Kit
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LUMENLAB lens kit question - Click HERE for Original Thread
juice_e
I have the Lumenlab Lens kit with the 80mm PJ lens and the 220 & 330mm fresnels. The fresnels are not labelled so how do i know which is which?
part2wanksta
hold them both up to a light and and make them focus a point. the one that makes the point at a short distance is the 220 mm fresnel

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