Diameter (mm):

9.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-9.00

N-SF11

f/#:

1.00

Numerical Aperture NA:

0.50

Coating:

VIS-NIR (400-1000nm)

Type:

Double-Concave Lens

Wavelength Range (nm):

400 - 1000

Back Focal Length BFL (mm):

-9.61

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

2.25

Center Thickness Tolerance (mm):

±0.05

Centering (arcmin):

<3

Clear Aperture CA (mm):

8.1

Coating Specification:

R_abs ≤0.25% @ 880nm
R_avg ≤1.25% @ 400 - 870nm
R_avg ≤1.25% @ 890 - 1000nm

Edge Thickness ET (mm):

3.48

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁=-R₂ (mm):

-14.60

Surface Quality:

40-20

5 J/cm² @ 532nm, 10ns

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

9mm Dia. x -9mm FL, VIS-NIR Coated, Double-Concave Lens

Regulatory Compliance

產品系列說明

9mm Dia. x -9mm FL, VIS-NIR Coated, Double-Concave Lens

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Regulatory Compliance

產品系列說明