Hi, I would LPM those lasers ,but unfortunately I reside in the states. I would do it for free the only cost to you would be shipping. Then there's another issue with customs. Wish I could have helped.
Yes Yes the 532 green would be perfect for what your intentions are. GSS hit the nail straight on go with the 532 its a bright beautiful green beam and the are cheap . you might want to by a 450,or 455nm blue also just for the hell of it then you can experiment with two different WL's and...
Hi, Yes I stated solder to to board were the CU is shown on the outer rim. the Al ring is just to hold the switch in place and make good Neg contact. Survival lasers is a very good company and a member here at LPF. if you don't get it working I think they have spares on the site. Or Email Garry...
H if you screw the thin ring off that holds the switch down you should see the copper on the outer edge of the contact board
Just. Small amount of solder on that edge then screw the retaining ring back on tight