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pseudonomen137 said:An oldie but goodie. That's a 1.7W Viasho green, but check out that upcollimator. Probably cost more than the laser itself!
Hi
The Spot was foccused on - guess - 1 mm. The Unit is a Zeiss 50:1 Laser-Beamexpander. I found it in Ebay for 80 Dollars - I had great Luck to find such a fine Instrument.
BR
Hans