Diameter (mm):

25.00 +0.00/-0.10

Effective Focal Length EFL (mm):

12.50 @ 4000nm

Numerical Aperture NA:

1.00

Back Focal Length BFL (mm):

10.70

Silicon (Si)

Aspheric Design Wavelength (nm):

4000

Asphere Figure Error, RMS @ 632.8nm:

λ/6

Coating:

BBAR (3000-5000nm)

Coating Specification:

R_avg <3% @ 3 - 5μm

Surface Accuracy, P-V (μm):

<0.3

Centering (arcmin):

≤10

Centering, ETD (μm):

<21.8

Surface Quality:

60-40

Clear Aperture CA (mm):

22.5

Edge Thickness ET (mm):

2.37

Center Thickness CT (mm):

4.75 ±0.10

f/#:

0.5

Bevel:

Protective bevel as needed

Edges:

Diamond Turned

Radius R₂ (mm):

87.361

Shape of Back Surface:

Concave

Type:

Aspheric Lens

Wavelength Range (nm):

3000 - 5000

Conjugate Distance:

Infinite

25mm Dia x 12.5mm FL 3-5μm AR Coated, Si Aspheric Lens

Regulatory Compliance

產品系列說明