3 element / G2 / G7 / Laser focus Lenses - Sanwu Lasers
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
$10.00 inc. tax
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Description
3-element lens (Standard lens)
3-element lens has a long focal length, low divergence beam profile but it has a very noticeable output loss since it has multi lenses.

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

G2 lens
G2 is a high pass lens which lets more laser light to pass through.
The most ideal lens for maximum power and burning.

Advantage 95% efficiency, small beam aperture perfect for close range burning
Downsides Increase beam divergence(wider beam) and affects the beam profile 

G7 lens
G7 is the second best high pass lens but it won't increase the beam divergence like G2 does. G7 has a long focus length just like 3-elements lens, a well balanced lens between 3-element(divergence) and G2(power).

Advantage  88% efficiency, long focal length and tight laser beam





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