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  1. L

    how to focus a beam?

    https://i.imgur.com/Osot1im.jpg https://imgur.com/gallery/Gf4Tdpf Seller says it’s fixed only adjustable by screwing tight or less tight. The problem is I can focus it few inches in front anything further is not achievable. Similar problem with my dx laser except I can adjust the head and...
  2. L

    how to focus a beam?

    The diode has a piece of metal to make what ever light come out of it technically a half circle. All diodes are like that, that’s how the line is formed the half circle at a distance has the middle area with most light. Is it possible to get an infinite aim with just one lens?
  3. L

    how to focus a beam?

    About 10feet the beam shows a wide line instead about 1 Inch wide Also the pattern is really like a Star and in the center is the wide line. It’s kinda cool, but not very clean looking.
  4. L

    how to focus a beam?

    I contacted him, but so far so response. it is definitely fixed, i just read a bit about expander. and also read that G7 is suppose to avoid the need for that. I guess that was the seller's intent. I am used to a pin or nearly a pin for focus, this shows about a ~5mm circle (estimate) I...
  5. L

    how to focus a beam?

    or should I say what to expect out of a laser? Just a disclaimer, this is my 2nd laser. So I am new. I just got a cyan laser from a member here. It doesn't have an adjustable focus, and I think the dot is a bit big than what I was used to compared to my dx 200mw adjustable focus. Not...
  6. L

    SELL! 405nm,495nm,505nm and 638nm laser

    just got and fired up the 495 cyan, its awesome! What is the power output on this, and do i need to get goggles for IR protection?
  7. L

    Killing a Fly with a laser

    this surely will do. who can build me one tho? https://www.youtube.com/watch?v=IzUoe-9bKa0&feature=share
  8. L

    SELL! 405nm,495nm,505nm and 638nm laser

    Re: sell 495nm laser and 405nm laser now the wait begins :) what beam expander do you recommend that works with this body? i want to use it to draw a line on the wall for example.
  9. L

    SELL! 405nm,495nm,505nm and 638nm laser

    Re: sell 495nm laser and 405nm laser I’ll take the 495nm. Newbie here but I guess it’s destiny Please let me know how to proceed I emailed u too. Thanks!
  10. L

    DX 200mw red = 655nm ?

    I have not seen any goggles that shield this wavelength. will a 650 or slightly lower 6xx goggles work for this DX laser?


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