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Achromatic Lenses

 


Achromatic Lens Specifications

Material N-BAF10 / N-SF10、N-BK7 / N-SF5、Low-refractive-index-materials/High-refractive-index-materials
Diameter(Φ) 2mm~400mm 
Radius(R) specified by customer
Chamfer specified by customer
Coating specified by customer
  Low grade General grade High grade
Diameter tolerance +/-0.2 0 0
Surface quality 120-80 60-40、80-50 10-5、20-10、40-20
Parallelism 3’ 1’ 10’’
Surface accuracy 1/2λ 1/10λ
Radius tolerance (ΔR) R/300 R/500 R/1000
Central Thickness(Tc) +/-0.1 +/-0.05mm +/-0.01
Edge Thickness(Te) +/-0.1 +/-0.05mm +/-0.01
Clear Aperture 0.85 0.9 1
Centration 5' 3' 30''