HiLetgo 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm

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Parameters

Lens Material : Acrylic
Lens Diameter : Ï†7.4 mm
Edge Thickness : 3.05 mm
Clear Aperture (CA) : Ï†3.7 mm
Numerical Aperture (NA) : 0.40
Effective Focal Length (EFL) : 4.60 mm(with BK7 t=0.25mm cover glass)
Back Focal Length (BFL) : 3.08 mm
Axis Wave Front Error (RMS) : 0.040 Î»
Field Radius : 0.1 mm
Transmission(%) : 90%
Storage Temperature : -25 to 70 â„ƒ
Operating Temperature : 5 to 65 â„ƒ

CAY046 is the most popular bi-aspheric plastic laser collimating lens which is nearly the diffraction limited.
CAY046 is specified for use as a collimator in combination with a diode laser.
CAY046 is designed for making a more fine dot at short distance. The focus is very close.

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Laser Diode Collimator Lens, CAY046,1PCS (NA:0.40, EFL:4.60 mm)

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