In a message dated 11/25/2002 11:57:03 AM Eastern Standard Time, [EMAIL PROTECTED] writes:
> Dr E D F Williams a �crit: > > A beginner need not 'understand' f stops .... > ...To learn that > > f22 is smaller than f2 takes a minute or two. You are told .... > > To understand well it is necessary to write correctly : > You must not write F2, but F/2 (F divided by 2, where F is the focal > length) > So, you understands well whereas F/2 is a bigger opening > that F/16. > > My English is poor, but the arithmetic is easy. ! > > Michel Good pt. It makes a lot more sense written that way. Doe aka Marnie :-)

