Diameter (mm):

6.38 +0.00/-0.02

Effective Focal Length EFL (mm):

4.20 @ 780nm

Numerical Aperture NA:

0.50

M-LAF81

Aspheric Design Wavelength (nm):

780

Coating:

BBAR (755 - 805nm)

Coating Specification:

R_avg <1.5% @ 755 - 805nm (theoretical per surface)

Clear Aperture CA (mm):

5.35

Center Thickness CT (mm):

2.56

f/#:

0.66

Bevel:

Protective bevel as needed

Type:

Aspheric Lens

Wavelength Range (nm):

755 - 805

Working Distance (mm):

2.00

Conjugate Distance:

0

Transmitted Wavefront, RMS @ 632.8nm:

0.049λ

Model Number:

AH4_Z

0.50 NA, 4.2mm FL, HOYA Molded Glass Aspheric Lens