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These
lenses are USA Made Glass
Lenses.
Specifically coated to
bring out the best of your Red Laser Diodes.
Fully AR Coated with a Multi- Layer "B" Coating.
See caoating graph below:

Transmission
vs. Wavelength for B Coating
650-G-2

High Efficiency Glass
Lens for 635nm, 638nm,
650nm and 658nm
6mm diameter, Back Focal Length =
2.90 mm
NA=0.55
Effective Focal Length= 4.56mm
High
Volumes stocked.
DATA SHEET:
650-G-2.pdf
650-G-2:
Multi- Layer "B" Coating

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with Paypal LINK BELOW:
$20 each
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and/ or other items to cart.
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