Just for an interesting comparison:
Same set up substituting a reversed Minolta C.E.ROKKOR-X 30/2.8 @f5.6 for
the Zuiko 80/4.
http://lrh.structuregraphs.com/images/20091001-B-011-a.jpg
...Wayne
Wayne Harridge
http://lrh.structuregraphs.com/
> -----Original Message-----
> From: Wayne Harridge [mailto:wayneharridge@xxxxxxxxxxxxxxx]
> Sent: Thursday, 1 October 2009 9:34 PM
> To: 'Olympus Camera Discussion'
> Subject: Re: [OM] 80/4.0 Macro resolving power?
>
> Dawid,
>
> I don't have the numbers but I happened to be using mine tonight:
>
> E-510, OM Bellows, Zuiko Auto Macro 80mm + 170mm CU lens, ISO 400,
> 1/125,
> small direct flash at about 60cm & 45 degrees.
> Only resize and sharpen of jpg.
> Subject is the back of a teaspoon, the "P" in EPNS is ~1.5mm high.
>
> Minimum bellows extension ~50mm between flange on body and flange on
> lens,
> f16.
>
> http://lrh.structuregraphs.com/images/20091001-A-002-a.jpg
>
>
> Maximum bellows extension ~210mm, f11 (Flash bumped up to full power
> for
> this one)
>
> http://lrh.structuregraphs.com/images/20091001-A-011-a.jpg
>
>
>
> ...Wayne
>
> Wayne Harridge
> http://lrh.structuregraphs.com/
>
>
> > -----Original Message-----
> > From: Dawid Loubser [mailto:dawidl@xxxxxxxxxxx]
> > Sent: Thursday, 1 October 2009 4:52 PM
> > To: Olympus Camera Discussion
> > Subject: [OM] 80/4.0 Macro resolving power?
> >
> > Hi All,
> >
> > Just for interests sake, does anybody know what the actual resolving
> > power
> > of the 80/4.0 Macro is at the various apertures? I am hoping it's
> good
> > enough to be
> > basically diffraction-limited, and by reputation it's possibly the
> > finest 1:1
> > lens that covers a full 35mm frame in the world (the Ultra Micro
> > nikkors are amazing,
> > there are models that are diffraction-limited at f/1.2 and even
> f/1.0,
> > but almost none
> > of these exotic models do 1:1 or cover a 35mm frame, and some of them
> > only do specialised
> > wavelengths of light (UV, etc).
> >
> > I know the 80/4.0 is bloody good, but I would like to satisfy my
> > boyish curiosity with
> > some technical information on just "how" good it is.
> >
> > Anybody?
> >
> > --
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>
> --
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