Achromatische Linsen

Achromatische Linsen

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Material All type of material are available to design the optimal achromats
Diameter tolerance +0/-0.1 mm
Thickness tolerance ±0.1 mm
Clear Aperture >90%
Focal Length Tolerance +-3%
Surface quality 60-40 S-D
Surface figure <λ/4 @ 632.8 nm
Centration error <3 arcmin
Protective chamfers <0.25 mm x 45°
Cemented achromatic duplet lenses are optimized to provide excellent chromatic and spherical aberrations free performance. 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. Standard achromatic duplet lenses cover two ranges – visible (400 nm – 700 nm) and near infrared (700 nm – 1050 nm). Single line, dual line and different than standard broadband configurations are also available. If you do not have design or drawing of required achromatic lens, Altechna engineers will help you to make one. Please contact Altechna by phone or email for drawings and Zemax files.
varna Used in applications to reduce beam distortion
varna Other dimensions are available in small and mass production quantities

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Produkte per Seite Seite
AR coating Diameter,mm Focal length,mm Optimal wavelength range, nm Delivery Produkt ID Price
VIS (400 - 700 nm) 12.7 +50 400-700 Request 1-AL-1-B127-[7A00] 60 €
VIS (400 - 700 nm) 12.7 +75 400-700 Request 1-AL-1-C127-[7A00] 60 €
VIS (400 - 700 nm) 12.7 -50 400-700 Request 1-AL-1-D127-[7A00] 60 €
NIR (700 - 1050 nm) 12.7 +30 700-1050 Request 1-AL-2-A127-[7B00] 60 €
NIR (700 - 1050 nm) 12.7 +75 700-1050 Request 1-AL-2-C127-[7B00] 60 €
NIR (700 - 1050 nm) 12.7 -50 700-1050 Request 1-AL-2-D127-[7B00] 60 €
VIS (400 - 700 nm) 25.4 +100 400-700 Request 1-AL-1-A254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 +125 400-700 Request 1-AL-1-B254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 +150 400-700 Request 1-AL-1-C254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 +200 400-700 Request 1-AL-1-D254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 +250 400-700 Request 1-AL-1-E254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 +300 400-700 Request 1-AL-1-F254-[7A00] 75 €
VIS (400 - 700 nm) 25.4 -150 400-700 Request 1-AL-1-G254-[7A00] 75 €
NIR (700 - 1050 nm) 25.4 +100 700-1050 Request 1-AL-2-A254-[7B00] 75 €
NIR (700 - 1050 nm) 25.4 +125 700-1050 Request 1-AL-2-B254-[7B00] 75 €
NIR (700 - 1050 nm) 25.4 +150 700-1050 Request 1-AL-2-C254-[7B00] 75 €
NIR (700 - 1050 nm) 25.4 +200 700-1050 Request 1-AL-2-D254-[7B00] 75 €
NIR (700 - 1050 nm) 25.4 +250 700-1050 Request 1-AL-2-E254-[7B00] 75 €
NIR (700 - 1050 nm) 25.4 +300 700-1050 Request 1-AL-2-F254-[7B00] 75 €
VIS (400 - 700 nm) 12.7 +30 400-700 Request 1-AL-1-A127-[7A00] 60 €
NIR (700 - 1050 nm) 12.7 +50 700-1050 From stock 1-AL-2-B127-[7B00] 60 €

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