Recent content by almosnow

Thanks everyone so far for your feedback. "have you attempted moving the positive focal length lens back and forth too observe" No, I haven't, because I don't know what that is. I'm sorry but I'm a complete noob in optics. "Just put a magnifying glass near the 8m point - like you'd do with...

Its a handheld laser. Yeah I went too far with those distances haha, could it be done at a shorter distance? How do I do it?

Hi, I have this handheld laser hanging around, it burns stuff when is really near (around 10cms max), and then it basically becomes so diffuse that it doesnt burn anything. Since I know almost nothing about optics I've tought this to be a good chance to learn stuff. What I'm trying to...