Re: Konica IR ...!st time, hyperfocal focusing, and Stigmata

[Georgios Christou <gchristou@xxxxxxx>]

"Christina Z. Anderson" wrote:

> Thank you, Clive; I now get it!  I think I must have assumed that
> diffraction gets worse the closer you get to wide open, which is the
> opposite of the truth.  I have always assumed the smaller the aperture
> (larger f-no.) the better the image, really. And, maybe I'm the only one,
> but I continually throughout my photographic education (graduating in May)
> have mixed up stopping down/opening up etc and the backwardsness of the
> f-stop numbers.  I have no problem intuiting it, just verbalizing it.  And,
> I seem to always work from the smallest aperture on "down" which is
> technically not the correct terminology--you are working from the largest
> wide open hole/aperture to the lesser wide open which you call 'stopping
> down'.  (by this time everyone on the list is wondering what neophyte they
> have here).  So I will use your rule of thumb of 3 stops 'down' from wide
> open and that'll  do just fine.  BTW I also checked out your website and
> it's great.
> Chris

Well, you'd be surprised. For some unknown reason, I used to use the same
terminology, AND had the same intuitions (or have been taught like that?), that
the smaller the apperture (i.e. the greater the f number) the better the
image....

Thanks to all of you who cleared this up for all of us neophytes :)

-Giorgos

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