2008/6/4 P. J. Alling <[EMAIL PROTECTED]>:
> The composite elements were a spherical glass component with an optical
> plastic having an "identical" diffraction index, molded to the glass
> component to form the aspheric element.  The optical plastic was  the
> glue...

Thanks, I didn't know that. Do you think they've used different
techniques on other AL lenses?

Jostein

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