Diameter (mm):

20.00 +0.00/-0.025

Effective Focal Length EFL (mm):

12.50 @ 587.6nm

Numerical Aperture NA:

0.80

Back Focal Length BFL (mm):

6.68

N-SF6

Asphere Figure Error, RMS @ 632.8nm:

0.4λ

Coating:

NIR+ (600-1050nm)

Coating Specification:

R_avg <0.5% @ 600 - 1050nm @ ±30° AOI
R_abs <1.5% @ 600 - 1050nm @ ±30° AOI

Centering (arcmin):

<3

Surface Quality:

40-20

Clear Aperture CA (mm):

18.00

Edge Thickness ET (mm):

5.01

Center Thickness CT (mm):

10.50 ±0.10

f/#:

0.63

Bevel:

Protective bevel as needed

Shape of Back Surface:

Plano

Type:

Aspheric Lens

Wavelength Range (nm):

600 - 1050

Conjugate Distance:

Infinite

Power (diopters):

80.00

20mm Dia., 0.80 Numerical Aperture, 600-1050nm Coated, Precision Aspheric Lens