That's the thing, also on the L*ica viewfinder side this has been missing:
M3: 50/90/135
M2: 35/50/90
M4, M5, M4-2: 35/50/90/135
M6: 28/35/50/75/90/135
CLE: 28/40/90
People do use the 35mm frame for 40mm.
If you look at the Zuiko line-up:
35mm: 18, 21, 24, 28, 35, 40, 50/55, 85/90, 100, 135, 180 ...
(Half-frame: 20, 25, 38/40/42, 60, 70, 100, 150, ...)
There is a clear gap between 55 and 85. Actually there should be two additional
focal
lengths: 60 and 75 ...
Just wondering,
Roland.
--- Jeff Keller <jeff-keller@xxxxxxxxxxxxxxxx> wrote:
>
> Interesting question ... Probably everyone who has an SLR has a 50mm. Seldom
> would a 60mm give you a picture you can't get with a 50mm ?
>
> Even the common close step 35,50,85? Makes the 85 seem like it's positioned
> long. Maybe the L*ica users have a sense of how the focal length choices
> came into being.
>
> -jeff
>
> > -----Original Message-----
> > From: Der Eiserne Reiter
> >
> > The one thing I have always been wondering:
> > why has 60mm not been a popular focal length ?
> >
> ...
> > For this
> > to work, the focal lengths should have factor
> > 1.4 as multiplier (1 "stop"). So, for instance,
> >
> > 17, 24, 35, 50, 75, 105
> >
> > is a great line-up in these terms. Or
> >
> > 15, 21, 28, 40, 60, 85/90, 135
> >
> >
> > Regards,
> >
> > Roland.
>
>
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