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No, it just looks that way from the camera flash:)

Hi again :) It occurred to me that I could just stick some pennies in the the tube with the battery and see what that was like. From a brief bit of research, I found that a protected cell is about three mm longer than an unprotected one. This length difference is simulated nicely by 2-3 pennies...

I'm sorry, I don't have a protected 18650 right now. If I get one, I'll get a pic for you. For what it's worth, I can tell you that a protected RCR123A (AW brand,) fits perfectly in the shorter size. Thanks, Burnsy. With mine, when the head is screwed all the way out, the focal point is about...

Updated with pics. Please see first post :)

It just occurred to me that if you would still like to use the sled in its' entirety, you could simply fix the head in place with epoxy, and move the whole sled to get the focal point where you want it. Targeting it correctly might be a chore, since it would need to be pretty close to your...

Re: UPDATE - First impressions - 100mw Rayfoss focusable greenie; RF532-100mW-B03 For the graph, I was using the Ultrafire 18650 that came with the laser. I should add, however, that it doesn't seem to have a battery preference. I've tried it with rechargeables, primaries, pretty much anything...

Aint .gov work fun? Don't forget to fill out your timesheet, including the time spent here on LPF:crackup: Seriously, HTD or Modwerx can help you out. Please don't buy all the diodes!

I might take you up on that some day. I'm content with it for now, to the point that I'd hate to part with it, even for a really boss upgrade. Yep, I like it that much. If I were you, I'd probably make a template or stencil out of some hardenable high-carbon steel. It would be a chore to get...

When the lock-up occurred, I had just clicked "Disconnect". It wouldn't respond to anything after that.

Woohoo! I am now the proud owner of a Kenometer USB. Here's a quick little write-up on it. I ordered and payed on April 18th, and my LPM was delivered May 21st, about a month later. I don't find this unacceptable, given the semi-custom, non-mass produced nature of the product, and the need to...

Re: UPDATE - First impressions - 100mw Rayfoss focusable greenie; RF532-100mW-B03 Updated with power graph. See first post, please.

Does it have to be focused to the absolute smallest spot size? Sounds to me like "pretty good" focus would be good enough in this case. Can't you just kind of shot gun it? The reason I ask is, even using the sled and optics "as is", you won't get perfect focus. The optical head in a sled is...

Screw hot glue. Clear packing tape FTW.

I was thinking of a "wall wart" AC-DC type thing. Turn it into a micro labby:yh: Or, for the sake of portability, I bet you could cram three 10440 rechargeables in there.

When the battery dies, you could wire it to an adapter. 9Vs can be expensive. Any plans for a heatsink? Oh, and props to the build. Looks nice and clean.

Re: First impressions - 100mw Rayfoss focusable greenie; RF532-100mW-B03 Not that I could see, but it warmed it up right proper. I didn't want to exceed the duty cycle, else I probably could have lit it.

Here's a fun little experiment you can try. You'll need; A laser powerful enough to burn, preferably focusable, with a decent duty cycle. A small clear plastic or glass box or other enclosure (Must be relatively air-tight. A pop bottle or over-turned glass ware on a table might work.) A...

Re: First impressions - 100mw Rayfoss focusable greenie; RF532-100mW-B03 It popped a balloon at ten feet. No dice on the match.

Because laser beams are uniquely pretty, in such a way that they have "moths to a bug light" attractiveness. "So the other day, I was out on the highway, and this moron decides to cut me off and slam on his breaks. I mean, can you believe the nerve of some of these ass. . ." *laser clicks on*...

First, a link to the product in question - www.rayfoss.com I paid for the laser on 04/28, and received it yesterday. Not bad considering it shipped from the other side of the world. On the customs label, it was declared as a "flashlight sample". The box the laser came in is, admittedly, a bit...