405nm 450nm 488nm Laser Diode Module Collimating Coated

Collimating Coated Glass Focus Lens for 400nm-488nm Violet/Blue Laser Diode Module

Parameters: 
Wavelength: 400nm - 480nm 
Screw Size: M9 P0.5 
Lens Material: Glass 
Lens Size: 6mm 
Coated: Yes 
Thread type: full thread

M9 P0.5 focal length 9.8mm triple-coated collimating lens
Effective focal length EFL 9.8
Diode to lens distance SD 8
Numerical aperture NA 0.45
Effective light transmission aperture CA 5.0
Thread size M Screw size M9 P0.5
Shell length ET 10mm
Size of point at 7m 3.7x2.7mm

Application This coated laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY. Be sure the operator has experience in optics DIY or testing.

Package Included : 1x 405nm 450nm Laser Lens

By definition, the effective focal length EFL is the distance between the rear principal point P', and the rear focal point F' of the lens. The back focal length BFL is the distance between the rear vertex V' of the lens, and the rear focal point F'.

Methods for measuring a lens focal length