[pure-silver] Re: (sligthly OT) Film flatness in a 4*5 holder

Selon C.Breukel@xxxxxxx:
No, it is not a spray, it is a tape.
> Hi Georges,
>
> Thanks for the suggestion, not sure if I want to spray adhesive in my
> holders though.
>
> Best,
>
> Cor
>
> > -----Original Message-----
> > From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-
> > bounce@xxxxxxxxxxxxx] On Behalf Of Georges Giralt
> > Sent: woensdag 4 april 2007 11:03
> > To: pure-silver@xxxxxxxxxxxxx
> > Subject: [pure-silver] Re: (sligthly OT) Film flatness in a 4*% holder
> >=20
> > Hi !
> > there is a 3M double face adhesive of quite small strengh suitable for
> > your use.
> > I do not remember the exact reference, but is was used in the Jobo
> 30x40
> > cm
> > borderless easel (it seems it is nt made anymore, if you need the
> exact
> > reference of the spare part I can provide it for you)
> > You can put a stripe of this adhesive on the holder, and stick the
> plan
> > film to
> > it when loading. It is thin enough I think not to cause problems.
> > Hope this helps.
> > Selon C.Breukel@xxxxxxx:
> >=20
> > > Hi,
> > >
> > > I am starting to test a new prototype of an IR film from MACO (it's
> made
> > > in the old AGFA Geveart plant in Belgiuu it seems, instead at EFKE
> in
> > > Croatia). I am supposed to report results first to MACO.
> > >
> > > Thusfar I have only tested 1 sheet (I got only 10 sheets) and this
> film
> > > is on an very thin layer (a bit similair to lith film), and has also
> > > very heavy curl.=3D20
> > >
> > > So the film is anywere from lying flat in the holder. (These facts
> are
> > > know by MACO and will be corrected once they decide to put this film
> in
> > > production).
> > >
> > > Obviously I am worried about sharpness, I seem to recall that there
> is
> > > not much room for depth of focus (at the film surface) as there is
> room
> > > at the depth of field end.
> > >
> > > Is that correct, ie when stopping down I can not compensate for the
> lack
> > > of film flatness in the holder?
> > >
> > > Will my final print be sharp in the middle, but get blurry towards
> the
> > > edges?
> > >
> > > The one sheet I developed and printed did seemed less sharp
> compaired to
> > > the Rollei Infrared sheet I exposed at the same time. But the
> prototype
> > > film was a bit overexposed and under developed.
> > >
> > > Mybe I should slide an old 4*5 flat sheet undeneath the thin film?
> > >
> > > Best,
> > >
> > > Thanks,
> > >
> > > Cor
> > >
> >
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D
> > =
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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> > >
> >=20
> >=20
> > --
> >
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D
> > =
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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>
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