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Search: Posts Made By: Ioan
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Forum: Rotorheads
30th Nov 2007, 14:34
Replies: 278
Views: 72,648
Posted By Ioan

well a quick look on ebay shows 50mW green l@zers...

well a quick look on ebay shows 50mW green l@zers available for around £20 and 2-300mW l@zers for around £100 - £150.

The latter are classed IIIB, and according to wikipedia "l@zers in this class...
Forum: Rotorheads
17th Nov 2007, 19:49
Replies: 278
Views: 72,648
Posted By Ioan

There used to be a green one in the astronomy...

There used to be a green one in the astronomy department at school that was used as a star pointer. The advantage was that you could see the full beam extending up, whereas the red you couldn't...
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