Well, Canon did produce an f/0.95 a long time ago. And most modern
light meters go well beyond f/1.0; I think I've seen some that go to f/0.75?
>>> "Chuck Castleton" <ccastleton@xxxxxxxxxx> 05/24/99 12:00pm >>>
If this is too far OT, slap me. I'm curious about the design issues in
producing a large aperture lens. Is it "just" a matter of maximizing
the
diameter of the light path and removing any obstructions? Does
increasing
the diameter of the front element lead to a lower f number? Do the
laws of
optics rule out a lens with an aperture larger than f/1.0, or is it at
least
theoretically possible to build a 50 mm lens with a 100 mm filter ring
and
gather enough light to get to f/0.8 or something?
Chuck
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