Diameter (mm):

12.70 +0.0/-0.025

Effective Focal Length EFL (mm):

38.10

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

35.57

Focal Length Specification Wavelength (nm):

587.6

Clear Aperture CA (mm):

11.70

Centering (arcmin):

<1

Center Thickness CT (mm):

5.00 ±0.20

Center Thickness CT 1 (mm):

3.50 ±0.10

Center Thickness CT 2 (mm):

1.50 ±0.10

Radius R₁ (mm):

25.43

Radius R₂ (mm):

-20.03

Radius R₃ (mm):

-74.39

Edge Thickness ET (mm):

3.92

N-SSK8 / N-SF56

Surface Quality:

40-20

f/#:

3.00

Numerical Aperture NA:

0.17

Coating:

VIS 0° (425-675nm)

Coating Specification:

R_avg ≤0.4% @ 425 - 675nm

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):

425 - 675

12.7mm Dia. x 38.1mm FL, VIS 0° Coated, Achromatic Lens

Regulatory Compliance

產品系列說明

12.7mm Dia. x 38.1mm FL, VIS 0° Coated, Achromatic Lens

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Regulatory Compliance

產品系列說明