I all, I have a 1w 450nm blue laser pointer.
But, I noticed that the focus seems to be a little odd.
Here's what the laser looks like from the top. http://puu.sh/gV1CD.jpg
So, when i screw the focus on at it's tightest the beam looks like this. http://puu.sh/gV1CP.jpg Somewhat squarish, and...