Diameter (mm):

25.00 +0.00/-0.025

Effective Focal Length EFL (mm):

37.50 @ 587.6nm

Numerical Aperture NA:

0.33

Back Focal Length BFL (mm):

31.09

N-BK7

Asphere Figure Error, RMS @ 632.8nm:

0.4λ

Coating:

SWIR+ (900-1700nm)

Coating Specification:

R_avg <0.5% @ 900 - 1700nm @ ±30° AOI
R_abs <1.5% @ 900 - 1700nm @ ±30° AOI

Centering (arcmin):

<3

Surface Quality:

40-20

Clear Aperture CA (mm):

22.50

Edge Thickness ET (mm):

5.49

Center Thickness CT (mm):

9.72 ±0.10

f/#:

1.50

Bevel:

Protective bevel as needed

Shape of Back Surface:

Plano

Type:

Aspheric Lens

Wavelength Range (nm):

900 - 1700

Conjugate Distance:

Infinite

Power (diopters):

26.67

25mm Dia., 0.33 Numerical Aperture, 900-1700nm Coated, Precision Aspheric Lens