Wikipedia entry on crown glass
Vitreosity site showing how crown or plate glass is made
1.What is the axial color (focus shift) in F - C light, for a N-BK7 singlet of 29.56 mm focal length? 2.What is the axial color (focus shift) in F - C light, for a N-SF6 singlet of -68.47 mm focal length?
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Solutions to the homework can be found here. |
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