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Re: [OM] too little, too late

Subject: Re: [OM] too little, too late
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Fri, 19 Sep 2003 11:24:23 -0400
My reference to "full frame" is the assumption that 35mm frame is the
desired pickup size.  Otherwise any size system that any manufacturer
designs could be considered full frame. Yes, then, the E-1 has a full frame
sensor.
----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121  Turnaround 4-5 weeks
----------------------------------------------------
----- Original Message ----- 
From: "Jim Brokaw" <jbrokaw@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, September 19, 2003 4:09 AM
Subject: Re: [OM] too little, too late


> on 9/18/03 3:47 PM, Julian Davies at julian_davies@xxxxxxxxxxxxxx wrote:
>
> > I quite agree, but with one exception...
> > The E-1 is a full - frame camera system. The frame may be of a size that
we
> > are not (yet?) used to, but the entire system is designed around it.
> > A less than full frame system has characteristics like the other DSLRs.
> > Over - coverage from lenses leading to "focal length multipliers",
bodies
> > which are the wrong size for the sensor, etc.
> >
> > Julian
>
>
> Moose also wrote:
> >
> > I won't, but then that's not what I'm most interested in. Fast, high
> > quality zooms is where the market action is going to be, except for fast
> > super tele, where, oh my, the E-1 already has its first entry. Spending
> > a lot of money on what will be low volume sellers would be a good way to
> > make the 4/3 initiative fail. If it is a big success, such lenses will
> > follow. To make a new format/system successful, the first products have
> > to be the potentially high volume items.
> >
> > Moose
> >
>
> I'm combining these from two different messages, because it hits at
> something I've been thinking about... we see all these lenses for various
> digicams described by their "35mm equivalent" focal lengths. But if you
> design the whole system around the sensor size from scratch, as Olympus
has
> done, then you don't really benefit from this, aside from giving film
> photographers a familiar frame of reference to figure out what they might
be
> able to image with various lenses.
>
> Perhaps a better way of handing this is to consider 'angle of view' of the
> lenses you want to use. If you want a 2-degree angle of view, you need a
big
> honking lens for a 35mm frame, and a (slightly shorter focal length) big
> honking lens for a smaller image size. The slightly shorter focal length
> lens just happens to be easier to optically design for higher aperture and
> smaller physical size. For my EOS IX (APS format) which also has this
> consideration. I wound up getting a 24-85mm focal length lens, which gives
> about the same angle of view as the typical high-end point-and-shoot 35mm
> e.g. '38-140mm' or somesuch. The lens covers the 35mm frame, but I'm
wasting
> some of that coverage on the APS film. It could have been smaller and
> lighter if designed from the start to only cover the APS-size image
> sensor...
>
> For a 'professional' level digital SLR, I would expect that eventually
> Olympus will have to offer a 'professional' range of angles-of-view, from
> the full-frame fisheye to the extreme telephoto. If they can do this with
> fast apertures and great image quality then I think there will be plenty
of
> interest in the system... whatever the actual focal lengths of those
lenses.
> As the sensor size is somewhat close to a 16mm movie frame, I would expect
> that there might be potential of creating some pretty interesting
optics...
> -- 
>
> Jim Brokaw
> OM-'s of all sorts, and no OM-oney...
>
>
>
>
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>
>



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