Diameter (mm):

15.00 +0.0/-0.025

Effective Focal Length EFL (mm):

25.40

Focal Length Tolerance (%):

±2

Back Focal Length BFL (mm):

20.00

Focal Length Specification Wavelength (nm):

587.6

Centering (arcmin):

<3

Center Thickness CT (mm):

12.49

Center Thickness A (mm):

10.21

Center Thickness B (mm):

1.14

Radius R₁ (mm):

19.00

Radius R₂ (mm):

9.30

Radius R₃ (mm):

-9.30

Radius R₄ (mm):

-19.00

Edge Thickness ET (mm):

9.41

N-F2 / N-BK7 / N-F2

Surface Quality:

40-20

f/#:

1.69

Numerical Aperture NA:

0.30

Coating:

MgF₂ (400-700nm)

Coating Specification:

R_avg ≤1.75% @ 400 - 700nm

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Bevel:

Protective bevel as needed

Type:

Achromatic Triplet Lens

Wavelength Range (nm):

400 - 700

15mm Dia x 25.4mm EFL Hastings Triplet Achromatic Lens

Regulatory Compliance

產品系列說明

15mm Dia x 25.4mm EFL Hastings Triplet Achromatic Lens

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Regulatory Compliance

產品系列說明