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  1. S

    Focusing a laser to a very small dot

    this is just a very small part of my project. I would consider it is a good-to-have feature. I know what I want but I just dont know where to get the right items.
  2. S

    Focusing a laser to a very small dot

    Hi it is for a capstone project
  3. S

    Focusing a laser to a very small dot

    Weight is quite important for my project so I hope the whole device can be very light. Do you know which stores sell this kind of device and I don't need to select the optics myself? Thanks!
  4. S

    Focusing a laser to a very small dot

    24 ...... why
  5. S

    Focusing a laser to a very small dot

    oh no. I am not, I joined the form today :). This is related to my school project
  6. S

    Focusing a laser to a very small dot

    Hi, I need to use the laser to detect small movement(like 0.5mm).
  7. S

    Focusing a laser to a very small dot

    Hi all, I am new to lasers and optics in general. I am currently working on a project and I need to focus a laser to a very small dot(around .1mm, smaller is better). the focal length should be around 100 mm(min) to 300mm (max). I am willing to spend around 50 - 200 bucks. Also, I wonder what...




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