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  • IR Windows Calcium fluoride CaF2 Windows

    CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance

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Achromatic Lens

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Triplet Achromatic Lenses

Hastings triplets achromatic lenses are designed to provide an infinite conjugate ratio and are useful for focusing collimated beams and for magnification.
Steinheil triplets achromatic lenses are designed to provide a finite conjugate ratio and 1:1 imaging.

  • product orgin:

    China
  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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Triplet Achromatic Lenses

Triplet lens are made from a low index center element cemented between two identical high index outer elements. In addirtion, each lens is edged down to f-numbers with reasonable aberration correction at increased fields
Hastings triplets achromatic lenses are designed to provide an infinite conjugate ratio and are useful for focusing collimated beams and for magnification.
Steinheil triplets achromatic lenses are designed to provide a finite conjugate ratio and 1:1 imaging.

WTS could offer customize Triplets according to design.


Material:
Grade A optical glass  
Dimension Tolerance:
±0.1mm(Standard), ±0.05mm(High Precision)
Center Thickness Tolerance:
±0.1mm(Standard), ±0.05mm(High Precision)
Paraxial Focal Length:
±2%
Surface quality:
60/40(Standard), 20/10(High Precision)
Clear Aperture:
>85%
Surface Figure:
λ/2(Standard), λ/4(High Precision) @633nm
Centration:
3 arc minutes
Bevel:
<0.25mm×45°
Coating:
Upon requirement

Hastings Triplet Achromatic LensesSteinheil Triplet Achromatic Lenses


Note for Spherical Lens:
a. Other optical glass materials from Schott, Ohara, Hoya or Chinese CDGM, UVFS from Heraeus, Corning, Germanium, Silicon, ZnSe, ZnS, CaF2, Sapphire are also available upon request .
b. Custom-made Spherical Lenses at any size from diameter 1.0 to 300mm are available upon request.

One stop service  for Vision Optics-Laser Optics-Medical Optics-5G Optical Communication-Military Optics.



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