Diameter (mm):

25.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-50.00

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

-53.33

Focal Length Specification Wavelength (nm):

587.6

Clear Aperture CA (mm):

24.00

Centering (arcmin):

<1

Center Thickness CT (mm):

6.56 ±0.20

Center Thickness CT 1 (mm):

2.50 ±0.10

Center Thickness CT 2 (mm):

4.06 ±0.10

Radius R₁ (mm):

-35.51

Radius R₂ (mm):

24.58

Radius R₃ (mm):

217.99

Edge Thickness ET (mm):

9.06

N-BAF10 / N-SF10

Surface Quality:

40-20

f/#:

2.00

Numerical Aperture NA:

0.25

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:

Negative Achromatic Lens

Wavelength Range (nm):

425 - 675

25mm Dia x -50mm FL VIS 0° Coated, Negative Achromatic Lens

Regulatory Compliance

產品系列說明

25mm Dia x -50mm FL VIS 0° Coated, Negative Achromatic Lens

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Regulatory Compliance

產品系列說明