Laser Diode Collimator Lens-Anteryon AC256,10PCS (NA:0.51,EFL:4.34 mm)

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Lens Material : Hybrid aspherical polymer on glass lens
Lens Diameter :
φ5.5 mm
Center Thickness : 3.7 mm
Edge Thickness : 2.41 mm
Design Wavelength : 650 nm
Clear Aperture (CA) : φ4.4 mm
Numerical Aperture (NA) : 0.51
Effective Focal Length (EFL): 4.34 mm (with BK7 t=0.25mm cover glass)
Back Focal Length (BFL) : 2.33 mm
Axis Wave front Error (RMS) : 0.05 λ
Field Radius : ≧0.09 mm
Transmittance : 97%
Storage Temperature : -40 to 85 ℃
Operating Temperature : -30 to 85 ℃



  1. AC256 is the Hybrid Aspherical Polymer on Glass lens, which is diffraction limited and have low wave front aberration.Very high numerical apertures (NA=0.51)
  2. AC256 is the ideal choice for collimating or focusing the light of a laser diode.


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