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25.4mm Dia x 200mm FL, Uncoated Meniscus Lens

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Stock #72-433 10 庫存
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NT$901
Volume Pricing
Qty 1-9 NT$901 each
Qty 10-24 NT$812 each
Qty 25-49 NT$721 each
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Specifications

概況

Type:
Meniscus Lens

物理和機械特性

Diameter (mm):
25.40 +0.00/-0.10
Center Thickness CT (mm):
2.80 ±0.10
Centering (arcmin):
<3
Clear Aperture CA (mm):
22.86
Edge Thickness ET (mm):
1.98

光學特性

Effective Focal Length EFL (mm):
200.00 @ 587.6nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
f/#:
7.87
Numerical Aperture NA:
0.06
Coating:
Uncoated
Back Focal Length BFL (mm):
196.71 @ 587.6nm
Design Wavelength DWL (nm):
587.6
Radius R1 (mm):
57.97
Radius R2 (mm):
129.813
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
3 Rings
Irregularity (P-V) @ 632.8nm:
0.5 Rings

Regulatory Compliance

Certificate of Conformance:

產品概覽

  • 正彎月透鏡設計
  • 可最小化球面像差並減小光斑尺寸
  • 適用波長範圍:350 – 2,200nm

正彎月形透鏡是由N-BK7光學玻璃製成的凸凹透鏡,設計用於最小化球面像差並減小聚焦應用中的光斑尺寸。當用於聚焦平行光束時,應將透鏡的凸面朝向光源,以最小化球面像差。在多鏡片光學設計中,將正彎月形透鏡與其他透鏡結合使用,可以縮短焦距並增加系統的數值孔徑(NA),而不會引入明顯的球面像差。正彎月形透鏡提供100至300mm的焦距範圍選項,直徑為25.4mm,便於整合至光學平臺系統。

 
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