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Home > Lenses > 14AD - Unmounted Achromatic Doublet Lenses
Unmounted Achromatic Doublet Lenses
Used in applications to reduce beam distortion
Other dimensions are available in small and mass production quantities
VIS or NIR coatings are available for all these lenses

 

Optimized composition of two lenses, where one is made of dense flint and second of crown glass, assures much tighter focus than singlet spherical lenses due to minimized longitudinal and transverse spherical aberrations. They also feature nearly constant focal length across wide range of wavelengths.Cemented achromatic duplet lenses are optimized to provide excellent chromatic and spherical aberrations free performance. Standard achromatic duplet lenses cover two ranges – visible (400 nm – 700 nm) and near infrared (700 nm – 1050 nm).

Standard Specifications
MaterialAll type of material are available to
design the optimal achromats
Diameter Tolerance+0/-0.1 mm
Focal Length Tolerance±3%
Centration<3 arc minutes
Clear Aperture>90%
Chamfer0.25 mm @ 45°
Surface Figureλ/4 @ 632.8 nm
Surface Quality60-40 scratch & dig
Design Wavelength632.8 nm
AR CoatingsVIS or NIR


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  VIS Coated Achromatic Doublet Lenses
Optimal Wavelength
Range, nm
Diameter
D, mm
Focal Length
F, mm
Ordering Code
400-70012.73014ADP-05-30-BBAR@400-700
400-70012.75014ADP-05-50-BBAR@400-700
400-70012.77514ADP-05-75-BBAR@400-700
400-70025.410014ADP-1-100-BBAR@400-700
400-70025.412514ADP-1-125-BBAR@400-700
400-70025.415014ADP-1-150-BBAR@400-700
400-70025.420014ADP-1-200-BBAR@400-700
400-70025.425014ADP-1-250-BBAR@400-700
400-70025.430014ADP-1-300-BBAR@400-700
400-70012.7-5014ADN-05-50-BBAR@400-700
400-70025.4-15014ADN-1-150-BBAR@400-700
NIR Coated Achromatic Doublet Lenses
Optimal Wavelength
Range, nm
Diameter
D, mm
Focal Length
F, mm
Ordering Code
700-105012.73014ADP-05-30-BBAR@700-1050
700-105012.75014ADP-05-50-BBAR@700-1050
700-105012.77514ADP-05-75-BBAR@700-1050
700-105025.410014ADP-1-100-BBAR@700-1050
700-105025.412514ADP-1-125-BBAR@700-1050
700-105025.415014ADP-1-150-BBAR@700-1050
700-105025.420014ADP-1-200-BBAR@700-1050
700-105025.425014ADP-1-250-BBAR@700-1050
700-105025.430014ADP-1-300-BBAR@700-1050
700-105012.7-5014ADN-05-50-BBAR@700-1050

Ordering