On Mon, 25 Nov 2002 09:04:48 +0000, Bob Walkden wrote:

>Hi,
>
>good story, but it's the wrong analogy. I'm not suggesting a change to
>the f-stop system I'm suggesting a different way of labelling lenses.

That would be like changing the way you rate electrical appliances. 
It's all based on a system of maths and physics and as everyone knows,
you can not change the laws of physics.  Even if you changed to
imperial measures for focal length and labeled a 50 mm lens as a 1.9685
inch lens, f2 would still be f2 because it is a ratio. f1.4 would still
be one stop faster than f2 because of the maths involved.  If you try
and reverse the order so a small aperture hole gives a small number you
loose any relationship to what it really means and you make creating
tables a near impossibility.

Optics is a science and science relys on physical relationships to
produce repeatable results.  If you don't want to learn the science
that's fine, but don't expect science to change just for you. 


 Leon

http://www.bluering.org.au
http://www.bluering.org.au/leon


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