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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, MgF2 Coated, Double-Concave Lens

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Stock #32-993 5-7 Days
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NT$1,348
Qty 1-9
NT$1,348
Qty 10+
NT$1,216
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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
f/#:
1.00
Numerical Aperture NA:
0.50
Coating:
MgF2 (400-700nm)
Type:
Double-Concave Lens
Wavelength Range (nm):
400 - 700
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):
24.0
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
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
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

產品系列說明

  • 採用抗反射鍍膜,對於400 - 700nm的光可為表面提供小於1.75%的反射率
  • 針對0°入射角而設計
  • 多種鍍膜選擇: 無鍍膜VIS 0°VIS-NIRNIR INIR 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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