On Mon, Jun 17, 2002 at 10:19:05AM -0600, Daniel J. Mitchell wrote:
> from the 85/2 review just posted:
>
> >Despite the fast f2 maximum aperture, Olympus has kept the front
> >element size down to the regular 49mm filter size.
>
> I've just been comparing the sizes of lenses, and, apart from the basic
> necessity for a bigger lens to make it faster, I'm still amazed at how small
> the Zuiko lenses are compared to pretty much every third-party lens I've
> got.
>
> What's the secret there? Is it different glass / better design / something
> else? I guess what I'm wondering is if Olympus could make their lenses so
> small, how come everyone else doesn't? Bodies, sure, are going to be a whole
> lot more complex to reduce the size, but lenses?
I´d also say the main point is design goal. In the 80´s there were lenses
available from other manufaturers (especially from Pentax) which
were pretty close in design and dimentions to the Zuiko lenses.
But lens design goals changed when AF appered.
Frieder Faig
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