Good question Brian
Im not backing away from what I wrote a number of months ago
I get a much more even result regarding sharpness , but when I compare
the results whit the Canon scanner I have tested, the results are still
inferior compare to the Canon scanner.
Best regards Mikael Risedal
>From: "Brian D. Plikaytis" <bdplikaytis@bellsouth.net>
>Reply-To: filmscanners@halftone.co.uk
>To: <filmscanners@halftone.co.uk>
>Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
>Date: Fri, 16 Nov 2001 17:11:52 -0500
>
>But a number of months ago you claimed success in focusing by selecting a
>focus point midway between the center an edge. Are you backing away from
>this?
>
>thanks,
>Brian
>--------------------------------------------------------------
>respond to bdplikaytis@bellsouth.net
>
>
>----- Original Message -----
>From: "Mikael Risedal" <risedal@hotmail.com>
>To: <filmscanners@halftone.co.uk>
>Sent: Friday, November 16, 2001 2:25 AM
>Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
>
>
> > The answer is NO to your question below Brian.
> > Do a test by your self. Take a slide or negative film. Select the auto
>focus
> > in the middle (NikonScan 3.1 or silverfast) and scan.
> > Look at the results. Choose a new auto focus point the the corner or
>side
> > of the film and scan.
> > You get 2 different results. One are grain sharp in the middle and
>unsharp
> > in the corner. The other are sharp in the corner and not sharp in the
> > middle. You can never get equal sharpness over the whole film with a
>Nikon
> > scanner. I have done this test with 4 different
> > Ls 4000 scanner - same results. You get only a overall sharp picture
> > from the LS4000 scanner if you put the film in a glass frame. All film
> > curves a little bit and the lack of depth of field in LS 4000 produce a
> > poor overall resolution . ( Imacon scannner have F-stop 8 ) I belive
>LS4000
> > lens are wide open.
> > This is well known problem by Nikon , but Polaroid and now Canon can
>handle
> > the problem without any glass mounted film frames.
> > In last Photokina Germany sept 2000 i discussed the problem with Nikon.
> > Nothing yet are done to solve the problem
> > Best Regards Mikael Risedal
> >
> >
> >
> > >From: "Brian D. Plikaytis" <bdplikaytis@bellsouth.net>
> > >Reply-To: filmscanners@halftone.co.uk
> > >To: <filmscanners@halftone.co.uk>
> > >Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
> > >Date: Thu, 15 Nov 2001 19:49:22 -0500
> > >
> > >OK Mikael, let me ask a follow-up question. I am a beginner so your
> > >knowledge clearly surpasses mine. I've been reading your comments (as
>well
> > >as others) on this issue for months now. My question is the following:
>are
> > >you able to reclaim proper sharpness through the judicious use of
> > >sharpening
> > >techniques in Photoshop. I ask because I purchased a Nikon 4000 scanner
>a
> > >number of months ago and I am able to get much better results from the
> > >resultant images out of Photoshop than I was ever able to get through
>the
> > >use of professional photofinisher.
> > >
> > >thanks,
> > >
> > >Brian
> > >--------------------------------------------------------------
> > >respond to bdplikaytis@bellsouth.net
> > >
> > >
> > >----- Original Message -----
> > >From: "Mikael Risedal" <risedal@hotmail.com>
> > >To: <filmscanners@halftone.co.uk>
> > >Sent: Friday, November 16, 2001 12:01 AM
> > >Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
> > >
> > >
> > > > Hello Brian. The Nikon scanner is not out of focus.
> > > > Nikon LS 4000 are sharp in the middle of the film area but un sharp
>out
> > > > against the sides and corner . The example are from the right side
>of
>a
> > > > slide film.
> > > >
> > > > Next small jpg file are from our test motive . The test motive shows
>in
> > >the
> > > > middle of the jpg file. This is from the left corner.
> > > > I hope that every one can se the difference in resolution and
>sharpness.
> > > > Look below the text.
> > > > Nikon have a big problem with the depth of field. Best results gets
>with
> > > > glass framed film and 100% film flatness. Low light source and to
>open
> > > > f-stop lens construction is the main problem. Im a owner of 2 Nikon
> > >scanner
> > > > LS2000 and LS 4000, they have the same problem.
> > > > Best regards
> > > > Mikael Risedal
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > >From: "Brian D. Plikaytis" <bdplikaytis@bellsouth.net>
> > > > >Reply-To: filmscanners@halftone.co.uk
> > > > >To: <filmscanners@halftone.co.uk>
> > > > >Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
> > > > >Date: Thu, 15 Nov 2001 17:32:53 -0500
> > > > >
> > > > >Maybe I'm not looking at the images correctly but the _entire_
>Nikon
> > >4000
> > > > >frame looks out of focus. Is this a fair test - to compare an
> > >out-of-focus
> > > > >Nikon scan to an in-focus Canon scan?
> > > > >
> > > > >Brian
> > > > >--------------------------------------------------------------
> > > > >respond to bdplikaytis@bellsouth.net
> > > > >
> > > > >
> > > > >----- Original Message -----
> > > > >From: "Mikael Risedal" <risedal@hotmail.com>
> > > > >To: <filmscanners@halftone.co.uk>
> > > > >Sent: Thursday, November 15, 2001 4:29 PM
> > > > >Subject: Re: filmscanners: Canon 4000 scanner VS Nikon LS4000
> > > > >
> > > > >
> > > > > >
> > > > > > To illustrate what I mean with poor Nikon Ls 4000 sharpness, I
>have
> > > > > > put a attachment with a jpg file. Vuescan as a reference sofware
>and
> > > > >same
> > > > > > settings to the 2 scanners
> > > > > >
> > > > > >
> > > > > >
> > > > > > >Nikon Ls 4000 can not produce equal sharpness over the whole
>film
> > >area
> > > > >if
> > > > > > >the film are mounted glass less or in a filmstrip. Lack of
>depth
>of
> > > > >field.
> > > > > > >
> > > > > > >The test shows that a combination of Canons sharpness and
>Nikons
> > > > >scanning
> > > > > > >speed, colors and Dmax should be a nearly perfect mid end
>scanner.
> > > > > > >
> > > > > > >Mikael Risedal
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
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> >
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