[HUG ] Re: SV: Re: SV: Re: SWC: now to digital backs for V Series

I understand the alleged physics. However, if you google people who have
used it and their images, it works just fine.

This is why the P30/+ is not recommended because they have microlens which
really make this into a real problems.

On Fri, Mar 30, 2012 at 2:59 PM, Tom Just Olsen <tjols@xxxxxxxxx> wrote:

> It is not 'optical problems' as such that is the reason for that
> Hasselblad is not recommending the SWC to be used together with digital
> backs.  It is the effect of the steep angle of which light hits the sensor
> at the edges.  This was not a problem with film.  Even at steep angles the
> light rays went through the plastic film and was picked up by the light
> sensitive emulsion/particles.  Light hitting a digital sensor at a steep
> angle is 1)not picked up of the pixel at all, resulting in vignetting,
> and/or is creating weird color effects like the 'Italian Flag' or 2)'purple
> color casts' at the corners and a combination of the two. This is due to
> that the pixels are 'hidden' in wells that will not allow light rays to hit
> the pixels at these steep angles.  or will only allow light with a very
> high wave frequency to hit the pixel.
>
> Tom of Oslo
>
> > From: Richard Man [richard@xxxxxxxxxxxxxx]
> > Sent: 2012-03-30 21:19:41 MEST
> > To: hasselblad@xxxxxxxxxxxxx
> > Subject: [HUG ] Re: SV: Re: SWC: now to digital backs for V Series
> >
> > Do not get a scanning back. Do not get a P30/P30+ if you want to use wide
> > lens.
> >
> > This usually means phase One P back excluding the P30/+, the newest IQ
> > back, any of the Leaf Aptus and of course the Hassy CFV back. Hassy
> doesn't
> > recommend their back for the SWC per se, I think, but it's more because
> > they can't promise optical image quality.
> >
> > While in theory, one may change the back from one camera type to another
> > type, it cost quite a bit of money, so look for the V back to start with.
> >
> > I am casually looking for a P25 back. It's worth between $4000 to $4500,
> I
> > think. The problem is that most owners just trade up through the dealers
> so
> > used back are rare to find.
> >
> > Since I am looking to do environmental portrait with the SWC, 22 MP is
> > plenty good enough for me. So a higher MP back would not be useful (I say
> > that because there is no way I can afford one...)
> >
> > On Fri, Mar 30, 2012 at 10:03 AM, CSN Closed Circuit Satellite <
> > csn@xxxxxxxxxx> wrote:
> >
> > > Speaking of Digital Backs.
> > > What would be a good and not too expensive used digital back to get
> for V
> > > series blads.
> > >
> > > I saw a comment somewhere that with the resolutions increasing on the
> pro
> > > (35mm sized sensors) that they are making obsolete the concept of
> having a
> > > digital back on a large format camera.
> > >
> > > Is there any that fill the full square frame of a V series blad?  Or do
> > > they
> > > crop down to a smaller format.
> > >
> > > Recently I have seen  some on Ebay for less than $3000.00.
> > >
> > > I do not know much about any of them, and wonder if there is a
> analysis and
> > > test results of the various backs and which ones are the best value?
> > >
> > > Thanks for the info.
> > >
> > > Nick Cz
> > > Waterloo, Ontario.
> > >
> > >
> > > -----Original Message-----
> > > From: hasselblad-bounce@xxxxxxxxxxxxx
> > > [mailto:hasselblad-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Just Olsen
> > > Sent: Friday, March 30, 2012 2:10 AM
> > > To: hasselblad@xxxxxxxxxxxxx
> > > Subject: [HUG ] SV: Re: SWC: I think I understand now...
> > >
> > > Why could'nt Hasselblad (or somebody) try to make a digital version of
> the
> > > SWC?
> > >
> > > Tom of Oslo
> > >
> > > > From: Frank Filippone [red735i@xxxxxxxxxxxxx]
> > > > Sent: 2012-03-29 02:18:43 MEST
> > > > To: hasselblad@xxxxxxxxxxxxx
> > > > Subject: [HUG ] Re: SWC: I think I understand now...
> > > >
> > > > THE Magic word...
> > > >
> > > >
> > > >
> > > > If, in the future, you decide to sell it, you will hate yourself..
> > > >
> > > >
> > > >
> > > > The SWC is just one of those lenses/cameras...
> > > >
> > > >
> > > >
> > > > Try it hand held as a P+S camera..!
> > > >
> > > >
> > > >
> > > > Preset focus, preset exposure, use an eye level grip, shoot your
> > > > imagination out...
> > > >
> > > >
> > > >
> > > > You will become more addicted...
> > > >
> > > >
> > > >
> > > > Frank Filippone
> > > >
> > > > Red735i@xxxxxxxxxxxxx
> > > >
> > > >
> > > >
> > > > addictive!
> > > >
> > >
> > >
> > >
> > >
> =============================================================================================================
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> > >
> > >
> >
> >
> > --
> > // richard <http://www.imagecraft.com/>
> > // icc blog: <http://imagecraft.com/blog/>
> > // richard's personal photo blog: <http://www.richardmanphoto.com>
> > [ For technical support on ImageCraft products, please include all
> previous
> > replies in your msgs. ]
>



-- 
// richard <http://www.imagecraft.com/>
// icc blog: <http://imagecraft.com/blog/>
// richard's personal photo blog: <http://www.richardmanphoto.com>
[ For technical support on ImageCraft products, please include all previous
replies in your msgs. ]

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