#4 600nm-1100nm M9 P0.5 FL9.3mm Length 10mm Focal Collimating for Red IR Laser Diode

three layers of lens w/ high permeability

Size:L9.8mm*M8.9mm

Effective focal length:9.3mm

Distance from laser diode to lens:5.9mm

Effective clear aperture:R17.0/R26.5

Center thickness of lens:2.66±0.02

Lens edge thickness:1.636

Operating wavelength:635~650nm