23mm Dia x 40.3mm EFL Hastings Triplet Achromatic Lens

Diameter (mm):

23.00 +0.0/-0.025

Effective Focal Length EFL (mm):

40.30

Focal Length Tolerance (%):

±2

Back Focal Length BFL (mm):

33.90

Focal Length Specification Wavelength (nm):

587.6

Centering (arcmin):

Center Thickness CT (mm):

18.00

Center Thickness A (mm):

11.00

Center Thickness B (mm):

3.50

Center Thickness Tolerance (mm):

±0.3

Radius R₁ (mm):

32.48

Radius R₂ (mm):

18.15

Radius R₃ (mm):

-18.15

Radius R₄ (mm):

-32.48

Edge Thickness ET (mm):

13.79

Substrate:

N-F2 / N-BK7 / N-F2

Surface Quality:

40-20

f/#:

1.75

Numerical Aperture NA:

0.29

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

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

產品系列說明

獨特的三元件設計
MgF₂鍍膜
也提供 Steinheil 三片式消色差透鏡

TECHSPEC® Hastings 三片式消色差透鏡採用獨特的三元件設計，提供無畸變的色彩校正檢視效果。本系列透鏡都經過電腦設計以彼此相互溝通，有助於減少及消除「枕形」畸變以及色差和球面像差。TECHSPEC® Hastings 三片式消色差透鏡是由兩個凹面彎月形元件黏合雙凸透鏡所組成。

23mm Dia x 40.3mm EFL Hastings Triplet Achromatic Lens

Regulatory Compliance

產品系列說明

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