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homemade LED searchlight with visible beam

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LAN_403

Tesladownunder

Mon Oct 17 2011, 02:09PM

Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424

This is a single 100W LED with 5 degree beam.
I have a much bigger one.

Click the pic as the gif doesn't seem to run in the thread.

1318860540 10 FT125991 Ledbikebunburylighthouse100w

hsieh

Mon Oct 17 2011, 03:29PM

Registered Member #1412 Joined: Thu Mar 27 2008, 04:07PM
Location: Taipei Taiwan
Posts: 278

Tesladownunder wrote ...

This is a single 100W LED with 5 degree beam.
I have a much bigger one.

Click the pic as the gif doesn't seem to run in the thread.

I think I can find tens of 1W LED.But what should I use to concentrate the light in to a beam? Can I use a simple magnifying glass?I hope my beam has more than 500m visible range

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