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Yes, when the lens housing is all the way out of the module, the spot is fairly wide. When it is screwed in, the spot decreases to a point. As the lens is further screwed in, the spot increases in size again until the lens is bottomed out.

DTR I think you are right.:worthy: After messing with the focus I am able to get a ~2 inch 'spot' at about 30 feet while retaining a decent focus up close. Thanks for all the help guys, you can now make fun of me :oops: (please keep in mind this is my first time dealing with lasers like this!)...

Checked lens and the almost flat part is against the diode while the round part is facing out (see pics). I tested various lens settings; I changed how much the lens housing was screwed into the module. Pics show beam as the lens is screwed in farther and farther. Silver cap was removed to...

When the lens assembly was screwed in all the way into the Axiz module the focal point was just shifted. The beam divergence was not changed. I will check on the lens when I can get a chance and let you guys know.

Thanks for the replies guys! I rotated the whole lens unit (housing + lens). This allows me to change the location of the focal point. I have not rotated the lens itself. I also do not know if it is in the right way since I bought the unit already with the lens inside the housing. How can I...

Hey guys I need some advice. I recently build a 2W M140 and I am having trouble with the beam. I am using a g-2-lens and I am able to focus the beam to a spot where it will burn through corrugated cardboard in milliseconds. However, inches away from the focused spot the divergence is way too...

its $26 so it isnt that bad. and no i dont have access to the chip that blew out so I just ended up ordering a new one. Havnt had a chance to install it yet though.

Good idea about contacting Lazerer, I will do that thanks guys!

Thanks for the reply Alan, yeah it was on for a split second, just on, burn, disconnected immediately. Also, could this chip be replaced? Already purchased a new driver but if I could salvage this one that would be great!

So I attempted my first laser build, a M140 diode with a buck driver and became frustrated with my mediocre soldering skills. So amidst the frustration I switched the pos and neg wires from the battery to the driver and burned it out immediately. Stupid mistake, I know. Should have been more...

Thanks for letting me know about the search bar at the bottom. Ive been using the one at the top and noticing that it kind of sucked

Thanks everybody for the warm welcome. I got a pair of safety glasses that somebody else on the forums torture tested with the M140 diode. :D Last night I tried putting together the diode with the Buck driver I purchased. Got a little frustrated with my mediocre soldering skills and so without...

Hey my name is Adam, I'm 23 and I fairly recently got interested in lasers and the like. Just wanted to introduce myself to the community after lurking around some threads for a bit. Also wanted to say I am starting my first build! A 2W M140 from dtr. Hopefully I did not bite off more than I...