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EFL=125mm , Cemented Achromatic Doublets (ACD)

EFL=125mm , Cemented Achromatic Doublets (ACD)

Normaler Preis $65.00 USD
Normaler Preis Verkaufspreis $65.00 USD
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Diameter
Effective Focal Length
Coating

EFL = 125mm

Specification1:
AR Coating = 420-680nm
Material = H-K9L&H-F4
R1 , R2 , R3 = 86.1mm, 45.39mm, 143.88mm
Tc1 , Tc2 = 4.8mm , 3.3mm

Specification2:
AR Coating = Rmax<0.5%Ravg<0.3%@420-680nm
Material = H-K9L&H-F4
R1 , R2 , R3 = 86.1mm, 45.39mm, 143.88mm
Tc1 , Tc2 = 4.8mm , 3.3mm

Specification3:
AR Coating = MGF2@550nm
Material = H-K9L&H-ZF2
R1 , R2 , R3 = 76.92mm, 55.48mm, 162.59mm
Tc1 , Tc2 = 6.5mm , 4.5mm

Specification4:
AR Coating = R<0.5% 420-680nm
Material = H-K9L&H-F4
R1 , R2 , R3 = 86.1mm, 45.39mm, 143.88mm
Tc1 , Tc2 = 7.5mm , 6mm

Specification5:
AR Coating = MGF2 @587.6nm
Material = H-K9L&H-ZF2
R1 , R2 , R3 = 76.812mm, 55.621mm, 162.722mm
Tc1 , Tc2 = 8.4mm , 6mm

SKU:

Common Specification

Legend

  • Dia. = Diameter
  • R = Radius of Curvature
  • ET = Edge Thickness
  • EFL = Effective Focal Length
  • CT = Center Thickness
  • P = Principle Point
  • BFL = Back Focal Length
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Benefit of Achromatic Doublets

An achromatic lens is far superior to a simple lens for multi-color "white light" imaging. The two elements composing an achromatic lens (literally, "a lens with no color") are paired together for their ability to correct the color separation inherent in glass. Having eliminated the problematic chromatic aberrations, an achromatic lens becomes the most cost-efficient means for good polychromatic illumination and imaging. Refer to Figure 8 for an illustration of this concept.

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