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December 06, 2024, 03:55:53 03:55


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Author Topic: Optical Lenses mount  (Read 1438 times)
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mr_byte31
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« on: June 27, 2024, 10:57:15 10:57 »

Hi Folks,

I am trying to make a small project using two lenses as shown in figure below.
I have fixed lens and another movable lens which will go forward and backwards. its movement shall adjust how large is the laser beam on the wall.

it was a nightmare to align the lenses and maintain a certain distance between them.

I have two questions,
1- how can I maintain an accurate measurements between both lenses ex. 2mm ?
2- how to align the center of both lenses ?

is there special tools for that?

I was thinking about building a 3-D module for that but doesn't have any design in my mind that would make life easier...

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UncleBog
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« Reply #1 on: June 27, 2024, 03:15:48 15:15 »

https://www.edmundoptics.com/
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mr_byte31
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« Reply #2 on: July 01, 2024, 02:14:17 14:14 »

it is very expensive website.
I am looking for cheap alternatives.
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Checksum8
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« Reply #3 on: July 01, 2024, 06:12:58 18:12 »

Look on ebay/alibaba for cnc and 3d printer parts. Like linear slides and rails. Ball, lead, and acme screws. Also search for linear positioner. If you have a 3d printer you can make the lens holder or a complete positioner. Here is an example, not saying to buy it.

https://www.ebay.com/itm/176449897017?itmmeta=01J1QMDCNMZVP55BNF96XR3NK4&hash=item29153bc239:g:YwoAAOSwvF1jM70N&itmprp=enc%3AAQAJAAAAwAb9byacEpeQ3u9gdRhTPf2QNrezmFZ95Kh8rKkSUaeXFFKApaogj8r2papD0WNTiJla2BJearFuDIZJarv66I6s%2FnQaJzo3g7LdQCkSuHrNNVYE67Sy0LzKtyOSYGKBhvd%2FpFnoc22ljSjEdUBEDIw6OpRLc2%2B0u34hU14Dop9%2FMEUGQPW3X3RF%2FmSlzpmuLR9NYxU5SaNuJiR5%2BTB156fkTTj%2FckTNNFBCpOk1O0BFo13ofI8NjDq%2FnD2kSepr%2BA%3D%3D%7Ctkp%3ABk9SR_TKtfSNZA

Another with a single rail
https://www.ebay.com/itm/375497647101?itmmeta=01J1QMNW2ZQEBXMG832WCSZM37&hash=item576d6763fd:g:a~IAAOSwEp1gpiZf&itmprp=enc%3AAQAJAAAA4C9y%2FwRgk%2FzTc1RQl6L%2FhL8LznPpA7cto1qqIPJgY2XQyNq%2BTRfKKmaqO1nEoyrAQdfQbRwNjqhafHzzgpxzHpusLAeeXep5LLOOHCMWImWMQw7bqrno18Dt5nSGDJr6UijulynhCMSgaprWa%2BnEW%2FUUVed2q9xB%2BsmgGmMHy2LjYLWLVeXUwgVHOEYCYVejZ%2FVPL0mTtU%2FTM%2F6z0iXOmfyVvMf4BITH1Ag3iJ9fXOzloWiyuFaS10VDZVu1hin3e33BQ9UW1x10a7YTGm8TGggZtU8LximIeMIiRBibCh7q%7Ctkp%3ABFBMysHX9I1k
« Last Edit: July 01, 2024, 06:16:20 18:16 by Checksum8 » Logged
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