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About different lens: laser beam spot, focal range.

About different lens: laser beam spot, focal range.

Get the best focus for your laser using mirror camera.

How does the laser beam focusing works?!

Laser beam focusing - how does it work

Comparing a different lens: 2 types of 3 element lens (black), G2 lens (golden), G7 lens (golding with a bigger glass)

Test one – regular 3 element lens

Focal range: 63-67 mm from the aluminum housing to the surface
Laser beam spot size: 85×130 microns (uM) (highest laser power density)

Original images

 

Test two – regular 3 element lens (longer version)

Focal range: 63-67 mm from the aluminum housing to the surface
Laser beam spot size: 85×130 microns (uM) (highest laser power density)

About different lens: laser beam spot, focal range.
Good focus

About different lens: laser beam spot, focal range.

 

Test three – G2 lens

Focal range: 32-33mm from the aluminum housing to the surface
Laser beam spot size: 65×130 microns (uM) (highest laser power density)

Original images

 

Test fourth- G7 lens

Focal range: 83-85 mm from the aluminum housing to the surface
Laser beam spot size: 85×130 microns (uM) (highest laser power density)

Original images

Interesting laser beam calculator

Improved laser beam quality

Laser beam spot improvement for 445 nm diode laser (success – new laser beam spot)

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Endurance lasers special deal

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