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Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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Re: filmscanners: Canon 4000 scanner VS Nikon LS4000



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
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >_________________________________________________________________
> > > > > >Get your FREE download of MSN Explorer at
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> > > > > >
> > > > >
> > > > > _________________________________________________________________
> > > > > Get your FREE download of MSN Explorer at
> > > >http://explorer.msn.com/intl.asp
> > > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > _________________________________________________________________
> > > Get your FREE download of MSN Explorer at
> >http://explorer.msn.com/intl.asp
> > >
> >
> >
> >
>
>
> _________________________________________________________________
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>
>






 




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