Diameter (mm):

12.00 ±0.025

Effective Focal Length EFL (mm):

-18.00

N-BK7

f/#:

1.5

Numerical Aperture NA:

0.33

Coating:

NIR I (600-1050nm)

Type:

Double-Concave Lens

Wavelength Range (nm):

600 - 1050

Back Focal Length BFL (mm):

-18.65

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

2.00

Center Thickness Tolerance (mm):

±0.05

Centering (arcmin):

<1

Clear Aperture CA (mm):

11.00

Coating Specification:

R_avg ≤0.5% @ 600 - 1050nm

Edge Thickness ET (mm):

3.76

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁=-R₂ (mm):

-18.94

Surface Quality:

40-20

7 J/cm² @ 1064nm, 10ns

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

12mm Dia. x -18mm FL, NIR I, Inked, Double-Concave Lens

Regulatory Compliance

產品系列說明

12mm Dia. x -18mm FL, NIR I, Inked, Double-Concave Lens

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Regulatory Compliance

產品系列說明