"Snorre A. Selmer" wrote:
> the 20-35/2.8L, the 50/1.4 (wich could just as well have been an L, based on it's
> wonderfull performance), and the 200/2.8L... I'm hooked on "L"s, but there are
> non-"L" lenses that perform really well too...
'L' does not directly talk about the optical quality of
the lens - it only signifies that 1 of 3 special types
of (expensive) glass was used to make the lens (flourite,
UD, and another I forgot). Some lenses (like
a 50/1.4) can be built to very high optical quality without
special glass. Generally tele lenses need it to get
very good quality. For instance, only 1 of the tilt/shift
lenses is an L (the 90 I think), but they are all of
the same build quality and all very good optically.
Jim
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