Once I thought I was confused. Now it's turned into a damned fact!
Do all the clicks I keep feeling as I turn the aperture ring mean
anything?
:-)
geo2
On 18 Aug 2000, at 15:45, David Irisarri Vila wrote:
Date sent: Fri, 18 Aug 2000 15:45:48 +0200
From: David Irisarri Vila <valicors@xxxxxxxxxx>
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] 50mm/55mm/500mm Lens questions -Reply
Send reply to: olympus@xxxxxxxxxxxxxxx
> Hi Scott,
> I´d very pleased if you could explain me how do you
> calculate this.
> I know that f2 goes to 1,414 and then to 0,9999=1
> Now lets calculate intermediate stops!!!
> f2 goes to f1,80466 (The famosus Zuiko f1,8) and then to f1,60933 and
> then f1,414 and f1,27614 and f1.13807 and finally f1.00000!!! So I
> think f 1,27614 is one 1/3 stop faster than Zuiko f1,4 isn´t it?
>
> Dave
>
>
> "Ian A. Nichols" wrote:
> >
> > On Thu, 17 Aug 2000, Scott Nelson wrote:
> >
> > > No, F:1 is a full stop faster than f:1.4.
> >
> > It is indeed. F/1.2, according to my calculations, is 0.47 stops
> > faster than f/1.4. That's half a stop to you, me and any lightmeter
> > you can buy.
> >
> > > >>> Frank Berryman <FAB@xxxxxxxxxxxxx> 08/17/00 10:03am >>>
> > > I am a little slow on the uptake this morning. Is a f1.2 lens one
> > > stop faster that a f1.4 lens?
> >
> > --
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