Do you really lose two stops - can't see than myself.
As in, it doesn't quite make sense to me.
Isn't it a question of light intensity rather than volume?
For instance, if I stop down two stops the viewfinder will get dimmer
(if I hold down a DOF button). But if I were to crop down the
focussing screen to 4:3rds size instead, the view within that crop
would be just as bright. Surely.
Andrew Fildes
afildes@xxxxxxxxxxxxx
On 06/01/2010, at 7:27 PM, Dawid Loubser wrote:
> i.e.
> the small 40mm f/1.4 makes a beautiful 80mm f/2.8-equivalent portrait
> lens on one of these cameras.
> Or for something more exotic, their 50mm f/1.1 makes for a quite good
> 100mm f/2.2-equivalent lens,
> although performance at f/1.1 is not exactly stellar, so it will in no
> way render equivalent to, say,
> a Zuiko 100mm f/2.0 on an OM body)
--
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