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I just hooked up a DMM from the positive end of the battery to the host, and it measured 0.46Amps, furthermore, the probes from the DMM got hot... The battery is 4 volts, from V=IR, R is 8.69Ohms. Power dissipation is P=I^2R, which in this case is 1.838 Watts Is this normal.... (excuse the...

Hi, I brought a 50mW green laser in the LZCS host from Lazerer and I think I'll review that. I apologize in advance if the photos are crappy, I have a crappy phone camera. And this is my first review, so please go easy on me. Laser in question...

Hi, I'm looking for a easy do-it-yourself laser (taking it slow), i found this on lazerers DIY Empty CLASSIC Host for Laser Pointer ( Complete Set ) which combined with this: DIY 100mW 532nm Green Laser Module or this DIY 50mW 532nm Green Laser Module should give me a complete laser, is there...

Those laser pens don't ship to Canada unfortunately... I don't know about lazerer's delivery time (plus they claim to be shutting down their website for 2 days, so that's more lost time) I think under 100mW will be fine, I think that anything less than "reflected rays will hurt eyes" will be...

Hi, I recently grew an interest for lasers and am now willing to put down around $50 for my first one. I was wondering if anyone can suggest good trustworthy sellers. (that being said I will also look at local astronomy stores but I doubt they have anything over 5mw and they will probably be...