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檢視所有 177 產品系列
TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

12.5mm Dia. x 25mm FL, MgF2 Coated, Achromatic Doublet Lens

MgF2 Coated Achromatic Lenses

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Stock #32-311
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Qty 1-5
NT$2,442
Qty 6+
NT$2,162
Volume Pricing
Request Quote
Diameter (mm):
12.50 +0.0/-0.025
Effective Focal Length EFL (mm):
25.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
21.47
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
11.50
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
5.00
Center Thickness CT 2 (mm):
1.25
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
17.27
Radius R2 (mm):
-10.99
Radius R3 (mm):
-107.03
Edge Thickness ET (mm):
4.90
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 Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Reach 219:

產品系列說明

  • 設計用於0°入射角
  • 在 400 - 700nm 的每個表面反射率低於 1.75%
  • 也提供VIS 0°VIS-NIR抗反射鍍膜消色差透鏡

消色差膠合透鏡是由兩個光學元件相互粘合而成,經電腦進行優化,可用於修正在軸線上的球面像差和色差。我們的消色差膠合透鏡採用單層MgF2鍍膜或寬帶多層鍍膜,可用於可見光譜範圍。還提供近紅外缐(NIR)消色差膠合透鏡和邊緣塗黑消色差膠合透鏡。

消色差膠合透鏡遠優於簡單透鏡,更適用於彩色("白光")成像。兩個元件會經配對組成消色差膠合透鏡(字面意思是「沒有顏色的鏡片」)、以修正玻璃內固有的顏色分離。消除了有問題的色差後,消色差膠合透鏡成爲最具成本效益的方法,提供良好的多色照明和成像。

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