[rollei_list] Re: New Pics Posted....Rolleiflex and Zeiss Ikon images..

It's all Bush's fault for saying NO to Kyoto ;-)

John

--- Peter J Nebergall <iusar4s@xxxxxxxx> wrote:

> In the past 21 years, I and my luna-Lux have noticed
> a one+ stop gain in
> "full-sun" brightness.  asa 100 full sun is now,
> according to all my gear
> including the Nikkormat FTn I took the 1984 measures
> with (yes I still
> have it), closer to 1/250 at f16.  The moon is
> brighter too!  I suspect
> loss of ozone layer is part or all of this change. 
> Folks sunburn faster
> (I had an uncle in the DAK, the Afrika Korps -- and
> with today's UV-risk,
> spending months in the Sahara is an impossibility)
> -- so maybe more light
> is getting through?  The Greenies say so, my meters
> agree, and so does my
> skin. -- RED.
> 
> I suspect it is time to revise the f16 rule... to
> maybe an f22 rule?
> 
> Peter Nebergall 
> 
> On Tue, 31 Jan 2006 13:10:11 -0500 Aaron Reece
> <oboeaaron@xxxxxxx>
> writes:
> > In full sunlight at f/16 use 1/ASA as the shutter
> speed.
> > 
> > -Aaron
> > 
> > On Jan 31, 2006, at 10:24 AM, Don Williams wrote:
> > 
> > > I do recall the "sunny" rule, which has been
> discussed by this  
> > > group but sadly have forgotten it.  I think it
> started with bright 
> >  
> > > sun, f16, and some film speed but don't recall
> the ASA used.
> > 
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