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P3D Re: "Cheap" new lenses VS. "Quality" new lenses

  • From: fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)
  • Subject: P3D Re: "Cheap" new lenses VS. "Quality" new lenses
  • Date: Tue, 19 May 1998 12:53:20 -0400 (EDT)
>the "faster" the lens is, the BETTER the quality of glass, construction,
>etc.

Is that a fact?  There is certainly a big price difference with faster
lenses being disproportionally expensive but everything I have read or
heard says that you pay a lot of money only for the speed and if you 
are going to use the lenses (say a f1.4 vs. f1.7 vs. f2.0 50 mm) in
the same smaller aperture (say f8), then you are not going to see any 
difference in sharpness.

-- George Themelis


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