Re: [OM] 50mm 2.0 macro lens > 50/1.2 > Noctilux > vignetting.

[Winsor Crosby]

> Dave:
>
> Leica has a scheme for naming their lenses:
>
> Summicron = f/2.0
> Summilux   = f/1.4
> Noctilux     = f/1.0
>
> I assume that it is derived from the German for night ("nacht').
>
> Bill Stanke
More likely from the same latin root as nocturne. Especially since 
'lux ' and 'summi' are latinate.
--
Winsor Crosby
Long Beach, California

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