6.25mm Dia x 12.5mm EFL Steinheil Triplet Achromatic Lens

Diameter (mm):

6.25 +0.0/-0.025

Effective Focal Length EFL (mm):

12.50

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

8.94

Focal Length Specification Wavelength (nm):

587.6

Centering (arcmin):

Center Thickness CT (mm):

9.00

Center Thickness A (mm):

5.00

Center Thickness B (mm):

2.00

Center Thickness Tolerance (mm):

±0.3

Radius R₁ (mm):

7.81

Radius R₂ (mm):

4.09

Radius R₃ (mm):

-4.09

Radius R₄ (mm):

-7.81

Edge Thickness ET (mm):

7.70

Substrate:

N-BASF64 / N-BK7 / N-BASF64

Surface Quality:

40-20

f/#:

2.00

Numerical Aperture NA:

0.25

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

專為 1:1 共軛比率所設計
適用於中繼系統
也提供Hastings 三片式消色差透鏡

TECHSPEC® Steinheil 三片式消色差透鏡是專為 1:1 共軛比率所設計，並透過對稱性校正像差。Steinheil 三片式消色差透鏡是在兩個相同的高折射率外元件之間，黏合一個低折射率元件製作而成。每個透鏡會在增場時，以合理的像差校正漸漸接近 f 值。相較於傳統 Steinheil 透鏡設計，TECHSPEC® Steinheil 三片式消色差透鏡採用小直徑，可安裝在較小的空間中。Steinheil 三片式消色差透鏡適用於中繼系統。

6.25mm Dia x 12.5mm EFL Steinheil Triplet Achromatic Lens

Regulatory Compliance

產品系列說明

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