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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25 x 50mm EFL Steinheil Triplet Achromatic Lens

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Stock #67-422 聯絡我們
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NT$4,550
Qty 1-5
NT$4,550
Qty 6+
NT$3,640
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下載產品資料
Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
50.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
40.60
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<3
Center Thickness CT (mm):
25.80
Center Thickness A (mm):
13.00
Center Thickness B (mm):
6.40
Radius R1 (mm):
31.25
Radius R2 (mm):
18.47
Radius R3 (mm):
-18.47
Radius R4 (mm):
-31.25
Edge Thickness ET (mm):
20.58
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
f/#:
2.00
Numerical Aperture NA:
0.25
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤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:
Reach 219:
Certificate of Conformance:

產品系列說明

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。

 
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