Old 12-12-2013, 11:24 PM #1
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Default need help making beam expander

lenses from the top part of the monocular you look into


lens from the bottom of monocular you look out of




basically i need to what i have to do to make this work any help is appreciated
i have already removed the prism


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Old 12-14-2013, 04:06 PM #2
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Default Re: need help making beam expander

Quote:
Originally Posted by xxspeeddemon69x View Post
lenses from the top part of the monocular you look into


lens from the bottom of monocular you look out of




basically i need to what i have to do to make this work any help is appreciated
i have already removed the prism
You have two lenses either two positive or one positive and one negative I can't tell from the photos so the next step is to experiment. You could also look up Keplerian and Galilean type beam expanders too.
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Old 12-14-2013, 05:04 PM #3
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Default Re: need help making beam expander

These two articles may also provide some additional info:
Sam's Laser FAQ - HeNe Laser Testing, Adjustment, Repair
Sam's Laser FAQ - Diode Lasers
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Old 12-15-2013, 03:53 AM #4
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Default Re: need help making beam expander

ok thank you that helped some but i still havent been able to find anything that looks like the innards of my monocular
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