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All Products / Optics | 光學產品 / Optical Lenses | 透鏡 / Double-Concave Lenses (DCV)| 雙凹透鏡 / 無鍍膜雙凹 (DCV) 透鏡
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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

25mm Dia. x -25mm FL, Uncoated, Double-Concave Lens

Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #32-992 5-7 Days
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Other Coating Options
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NT$1,138
Qty 1-9
NT$1,138
Qty 10+
NT$1,024
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下載產品資料
Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-25.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SF11
f/#:
1.00
Numerical Aperture NA:
0.50
Coating:
Uncoated
Type:
Double-Concave Lens
Wavelength Range (nm):
400 - 2500
Back Focal Length BFL (mm):
-25.69
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
2.50
Center Thickness Tolerance (mm):
±0.10
Centering (arcmin):
<1
Clear Aperture CA (mm):
24.00
Edge Thickness ET (mm):
6.05
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Radius R1=-R2 (mm):
-39.78
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 219:
Compliant
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Certificate of Conformance:
View
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產品系列說明

  • 波長範圍是350-2200nm
  • 憑藉精密的直徑及同軸性容差可輕鬆實現OEM整合
  • 提供各種直徑及焦距
  • 提供附加抗反射鍍膜選擇：MgF2、VIS 0°、VIS-NIR、NIR I及NIR II

雙凹 (DCV) 透鏡具有兩個向內彎曲的曲面以及負焦距。它們用於影像縮小及散射光線

 
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