10pcs Coated Glass Focal Collimator Collimating Lens 515nm 520nm 532nm Green Laser Diode Frame

Description

Collimating Coated Lens for 400-500nm violet and blue Laser

three layers of lens w/ high permeability coat

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This coated laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY.

Please keep the lens clean to make the laser beam clear and bright. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing.

Specification

Name: Optical glass spherical (three-piece combination) collimating lens

Model: M9P051043

M (outer thread): M9XP0.5 mm

ET (height): 10 mm

EFL (effective focal length): 9.8 ± 0.08 mm

SD (diode to lens distance) :6.8 mm

NA (numerical aperture): 0.3

CA (Effective Clear Aperture): 5.0 mm

Collimation: ≥ ± 0.74mrad

Transmission: ≥95%

Coating: 405nm ~ 450nm