Product Details
3 element / G2 / G7 Laser lenses
3 element / G2 / G7 Laser lenses
3 element / G2 / G7 Laser lenses
3 element / G2 / G7 Laser lenses
3 element / G2 / G7 Laser lenses
3 element / G2 / G7 Laser lenses
Brand:Sanwu
Product Code:Lens
weight:5g
Product Condition:New
$15.00 inc. tax
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Description
3-element lens (Cleanest beam profile, best for low power lasers)
3-element lens has a long focal length, low divergence and clean beam profile but it has a significant output loss.

Advantage
Tight laser beam with the cleanest beam profile
Downsides  70% efficiency (1W diode = 700mw using this lens)

G2 lens(best for power)
The G2 is a single lens enabling the maximum true power of the laser diode for rapid close-range burning and engraving.

Advantage
95% efficiency, reduces the beam aperture
Downsides  Increases the beam divergence (thickness) and the beam profile

G7 lens(Balanced Multi-Purpose Perfection)

This lens is a cross between the divergence and the power lens.  With the G7, the beam divergence won't increase as it does with the G2 and you will still get very close power of the laser diode.

Advantage  88% efficiency, long focal length and increases beam apertrue 



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