Some more tests of different laser collimating lens
Keep your laser in focus.
3 element lens
Focal range – 49.4 mm (2″)
Focal beam spot ~ 0.156 х 0.046 mm
G2 lens
Focal range 10.5 mm (2/5″)
Focal beam spot 0.134 х 0.052 mm
G7 without an extension spacer
Focal range 64.5 mm (2.5″)
Focal beam spot 0.321 х 0.058 mm (quite big)
G7 with an extension spacer
Focal range 19 mm (3/4″)
Focal beam spot 0.094 х 0.041 mm
G8 without an extension spacer
Focal range 84.1 mm (3.3″)
Focal beam spot 0.442 х 0.052 mm (quite big)
G8 with an extension spacer
Focal range 19.7 mm (3/4″)
Focal beam spot 0.104 х 0.075 mm
All about laser lens pack
Learn more about laser beam focusing
Laser beam focusing. All you need to know how to make the best laser beam focus!