Diameter (mm):

6.25 ±0.025

Effective Focal Length EFL (mm):

15.00

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

12.73

Focal Length Specification Wavelength (nm):

587.6

Clear Aperture CA (mm):

5.625

Centering (arcmin):

<1

Center Thickness CT (mm):

3.30 ±0.10

Center Thickness CT 1 (mm):

2.70 ±0.05

Center Thickness CT 2 (mm):

0.60 ±0.05

Radius R₁ (mm):

7.95

Radius R₂ (mm):

-7.25

Radius R₃ (mm):

-277.83

Edge Thickness ET (mm):

2.64

N-SSK8 / N-SF10

Surface Quality:

40-20

f/#:

2.4

Numerical Aperture NA:

0.21

Coating:

VIS-NIR (400-1000nm)

Coating Specification:

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

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Bevel:

Protective bevel as needed

Type:

Achromatic Lens

Wavelength Range (nm):

400 - 1000

6.25mm Dia. x 15mm FL, VIS-NIR, Inked, Achromatic Lens

Regulatory Compliance

產品系列說明

6.25mm Dia. x 15mm FL, VIS-NIR, Inked, Achromatic Lens

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Regulatory Compliance

產品系列說明