18mm ZnSe F50.8mm focus lens right side installation confused

tk107
Posts: 5
Joined: Wed Jan 18, 2017 4:51 am

18mm ZnSe F50.8mm focus lens right side installation confused

Postby tk107 » Fri Feb 17, 2017 6:50 am

i read some threads on the internet with some saying the convex side is the final output of your focus while there are others saying it is the flatter side output of the focus, which is which??? hammer hammer

so is it A OR B ??
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Tech_Marco
Posts: 4150
Joined: Mon Jun 15, 2009 2:00 pm

Re: 18mm ZnSe F50.8mm focus lens right side installation confused

Postby Tech_Marco » Fri Feb 17, 2017 2:51 pm

To our lens, it is concave facing down or curve-up facing up ( where beam is coming from)


Marco

tk107
Posts: 5
Joined: Wed Jan 18, 2017 4:51 am

Re: 18mm ZnSe F50.8mm focus lens right side installation confused

Postby tk107 » Fri Feb 17, 2017 6:54 pm

thanks marco! :)


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