Recent content by mikedelfino

Actually I think they might help a little. Since the environment is already dark your pupil will not widen more with or without sunglasses. Take a green laser and make it pass through sunglasses, I tried with my 50mw and it looks like if the power was greatly reduced. If you take cat. 3...

Keep in mind that with the divergence a DDPS 300mw laser at 10 meters has a dot size > 1 cm meaning that the whole power is then spread on 1cm instead of 1-3mm so that the same point will only receive a small part of the initial power. The second thing is that at a distance if the laser is...

Ahaha, yes they were reflective. Ahaha :) in fact in Cancun the hotel zone and club zone is really safe, there is like only one main street and you cross one police car every 30 seconds at night when walking and there are only tourists. It's even more surprising that trips organizers such as...

Ahaha, I thought about the mirror. It seems to be a common practice to use laser pointers in the clubs there. There are like 10 people using lasers in the clubs including waiters. I usually put my sunglasses when they were shining lasers in front of me just in case. I don't know if helps really...

Hi guys, I wanted to share something with you. I went to Cancun in holidays and did some clubbing there. I was surprised that laser pointers, especially green ones were used in clubs by waiters or clubbers. Not just pointing the ceiling but anybody who dance, sometimes in the face. The...

Ok thank you for the clarification. Those chinese... I could have got blind from their crap. Hopefully I never got any direct reflection...

Thanks, forgot the losses of the driver. What do you mean by underrated? Oh and it popped a balloon after ~20-25s exposure on a blackspot (blue ballon) but I wasn't able to repeat the experiment.

Hello everybody! I recently begun in the green laser world :) Well I have a lot of red ones. I bought my first one on eBay (not the best place but the cheapest to begin...). It's a 5mW green laser. As doing some experiments today I decided to measure how much current it used. I hooked up my...