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Oh other reason why I havent gone for pen type, is that I want it to fit inside a tube which is only approx 14mm diameter so those modules work out perfect if they worked. If the pen type worked, i would have to gut it out to fit inside the tube I am using.

Thank you everyone. There is defiantly alot of products off the shelf in 850nm that i can purchase, but the issue is that they dont fit the application I want. I have yet to buy a "pen" type pointer like the one linked above, but have bought a few "modules" like...

paul1598419. Its pretty much the setup I am trying to create. I have opt for 850nm as it was easier to source a pass filter for the detection camera I am using. I have written an program that will view the camera scene and identify a bright spot within its FOV. The only light I want passing...

Thank guys. From the reading I have done on the forums, the IR wavelength I need is going to difficult to project for a few reasons: 1) As the wavelength increases the divergence/mRad increases and thus to get a relatively small dot at the other end is difficult without beam expanders etc 2) I...

Newbie to this, so been trying to learn by lurking in the forums, and using the search, yet no more informed so sorry for the noob newbie question. Basically what I want find is a 850nm or equivalent non visible laser pointer that I can produce a dot no larger than 10mm at a distance of 10m. I...