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Achromatic Lenses - Doublet lenses
Achromatic doublet lenses have significantly better optical performance than singlet lenses in visible imaging and laser beam manipulation applications. Achromatic Lenses are consist of two elements, usually of a positive low-index crown glass cemented to a negative high-index flint glass that have been corrected for chromatic aberration with respect to two or more selected wavelengths. Simphoton provides achromatic lenses consisting of two elements. These lenses have considerably reduced not only chromatic aberration bust also spherical aberration and coma aberration. These are designed with respect to three wavelength 480.0nm, 546.1nm and 643.8nm.
Positive Achromatic Lenses

Design Wavelength: 480.0nm, 546.1nm, 643.8nm
Diameter Tolerance:+0.0, -0.15mm
Paraxial Focal Length: ±2%@546.1nm
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Irregularity: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
AR/AR coated
Protective Bevel

Negative Achromatic Lenses

Design Wavelength: 480.0nm, 546.1nm, 643.8nm
Diameter Tolerance:+0.0, -0.15mm
Paraxial Focal Length: ±2%@546.1nm
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Irregularity: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
AR/AR coated
Protective Bevel

 
Custom design and ring mount assembly service is available apon request.

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