Obviously, you hands-on folks would know better than me. What is the
aperture of the E-10 lens, and is this to be compared 1:1 with 35 lenses, or
is there another relationship to consider? Is the aperture on the E-10
constant through the zoom range, or varied? Inquiring minds are confused....
Mickey
On Thursday 08 November 2001 01:30 pm, you wrote:
> That's the only way I can look at it as the depth of field is huge compared
> to what we are familiar with in 35, even wide open. Even at 36mm
> (equivalent 140mm) and wide open Mr. Ling doesn't get near the focus fall
> off he is accustomed to in 35. I'd be interested in an in-depth
> explanation too.
>
> John Hermanson
> ___________________________________
> http://www.zuiko.com
> Camtech, Olympus Service since 1977.
> 21 South Lane, Huntington NY 11743-4714
> Phone/fax 631-424-2121
> Free Olympus Manuals: 1-800-221-3000
> ___________________________________
> ----- Original Message -----
> From: "Mickey Trageser" <mickeytr@xxxxxxxxxxxxxxx>
> To: <olympus@xxxxxxxxxxxxxxx>
> Sent: Thursday, November 08, 2001 11:39 AM
> Subject: Re: [OM] PICS
>
> | John,
> | The 9mm is only superwide in respect to the 35mm format. The design of
> | the lens in respect to the target frame should bring the depth of focus
> | back
>
> in
>
> | perspective. If what you say is true, medium format wide angle lenses
>
> would
>
> | be unable to get the depth of focus equivilent to that on 35mm with
> | equivilent coverage. True? I know we have some folks very knowledgable
>
> about
>
> | lens design. Perhaps they can expound on this?
> | Mickey
> |
> | On Thursday 08 November 2001 09:25 am, you wrote:
> | > Since the ccd is so small compared to film (The diagonal measurement of
>
> the
>
> | > 35mm frame being 48mm, normal lens is 50mm), the "normal" lens for your
> | > average digital may be as short as 9mm. This is the equivalent of a
>
> super
>
> | > wide angle which has lots of depth of field. So even if you shoot wide
> | > open, it is difficult to throw things in the background out of focus
> | > because depth of field is still very deep.
> | >
> | > John Hermanson
> | > ___________________________________
> | > http://www.zuiko.com
> | > Camtech, Olympus Service since 1977.
> | > 21 South Lane, Huntington NY 11743-4714
> | > Phone/fax 631-424-2121
> | > Free Olympus Manuals: 1-800-221-3000
> | > ___________________________________
> | > ----- Original Message -----
> | > From: "C.H.Ling" <chling@xxxxxxxxxx>
> | > To: <olympus@xxxxxxxxxxxxxxx>
> | > Sent: Thursday, November 08, 2001 12:46 AM
> | > Subject: Re: [OM] PICS
> | >
> | > | I wonder how a 36mm lens (the longest focal length in E-10/20) can
> | > | give you a soft background for portraits or other similar. Take some
> | > | shots and check it out yourself.
> | > |
> | > | C.H.Ling
> | > |
> | > | Tom Scales wrote:
> | > | > What do you mean lack of control in out of focus effect. I switched
>
> to
>
> | > | > Aperture preferred today and was able to control my depth of field
> | >
> | > pretty
> | >
> | > | > accurately.
> | > | >
> | > | > Tom
> | > | >
> | > | > > E10 has a 2/3" small CCD and 4040 has 1/1.8" CCD (even smaller).
> | > | > > I like the picture quality of of E10 but hate the lack of control
> | > | > > in out of focus effect.
> | > | > >
> | > | > > C.H.Ling
> | > | >
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> | > |
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> | >
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> |
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