DVD laser lights up part 2

I adapted the collimator of the higher quality. The voltage 250 mA is enough to light a match. And there is no need to hold it long.

Naujas kolimatorius

The collimator was tore out from a copier. It’s quite good, that you can precisely focus the laser beam by turning a screw. You minimize the power and focus the laser beam till minmum. It it impossible to notice that the laser beam is minimized when everything around is light due to full power.

Video: DVD with New Collimator (Xvid, ~1Mb).

I tried to turn “a laser arrow” to the sky, but the beam gone into nonexistence. But it was perfectly visible on all the nearest objects. I tried to make some photos, but they came out so so…

Laser pointer from hell

After digital “processing “:
Laser pointer from hell

Youtube version:

Older lazeriniai postai.

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