Digital BW, The Print

I guess that's what I expected\ufffdunfortunately.
I'm trying to improve the 4x5 scans that I get from my Epson 1680\ufffdwhich
are sharp enough generally but the carriers clip the edges of the film
and I'd rather not have that happen.
Thanks Mike.
Peter Lindman

"Michael J. Kravit" wrote:

> 
> Peter,
> 
> I purchased a box of this stuff from Mediastreet. It is an ok product
> for low res scans. But if you want to scan at high resolution the
> clay coating will show in the scan.
> 
> I think the manufacturer recomments it for 300% enlargment of less.
> 
> Unfortunately I thre out a whole pack when I moved or I would give it
> to you.
> 
> Mike
>

Peter,

I did buy a pack and I am using it with my Linoscan 1400 to scan 4x5 
negatives at 1200 dpi. I do not see anything in the scans from the 
UltraBase but I don't consider myself an expert in this either.

I have all the materials for wet mounting with Kami fluid but have 
not tried it yet. When I do I will post a comparison with the 
UltraBase.

Wish I had more scanner resolution. Someday a Polaroid 45 Ultra maybe.

Martin Martin


--- In DigitalBlackandWhiteThePrint@y..., Peter Lindman 
<plindman@q...> wrote:
> I guess that's what I expected
unfortunately.
> I'm trying to improve the 4x5 scans that I get from my Epson 1680—
which
> are sharp enough generally but the carriers clip the edges of the 
film
> and I'd rather not have that happen.
> Thanks Mike.
> Peter Lindman
> 
> "Michael J. Kravit" wrote:
> > 
> > Peter,
> > 
> > I purchased a box of this stuff from Mediastreet. It is an ok 
product
> > for low res scans. But if you want to scan at high resolution the
> > clay coating will show in the scan.
> > 
> > I think the manufacturer recomments it for 300% enlargment of 
less.
> > 
> > Unfortunately I thre out a whole pack when I moved or I would 
give it

> > to you.
> > 
> > Mike
> >

Martin,

I've been trying anti-newton ring oil and other mounting supplies from
Prazio. Got some good, clean scans Saturday from two 4x5 negs but it's
otherwise a very messy business. The 1680 has an alternate focal point
for transparencies of 2.5mm, so I bought a piece of optically clear
glass (could only get 2mm) to mount the film on. Using the oil and a
mylar overlay (oil both underneath and on top of the film), the scans
seemed sharper and cleaner. I used a rubber roller and my fingers to get
the air bubbles out\ufffda somewhat tedious business. Nothing definitive
overall though. By the end of the day I wound up cutting a mask from a
piece of exposed 7-mil graphics art film and was taping the negative on
to that in order to bypass the scanner's included carrier. I'm way to
impatient it seems for the oil thing\ufffdand my hands shake from a slight
tremor when mounting, so it was a bit frustrating. But I'll try it again.

Peter

 

Martin Wesley wrote:

> 
> Peter,
> 
> I did buy a pack and I am using it with my Linoscan 1400 to scan 4x5
> negatives at 1200 dpi. I do not see anything in the scans from the
> UltraBase but I don't consider myself an expert in this either.
> 
> I have all the materials for wet mounting with Kami fluid but have
> not tried it yet. When I do I will post a comparison with the
> UltraBase.
> 
> Wish I had more scanner resolution. Someday a Polaroid 45 Ultra maybe.
> 
> Martin Martin
> 
> --- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
> <plindman@q...> wrote:
> > I guess that's what I expected\ufffdunfortunately.
> > I'm trying to improve the 4x5 scans that I get from my Epson 1680\ufffd
> which
> > are sharp enough generally but the carriers clip the edges of the
> film
> > and I'd rather not have that happen.
> > Thanks Mike.
> > Peter Lindman
> >
> > "Michael J. Kravit" wrote:
> > >
> > > Peter,
> > >
> > > I purchased a box of this stuff from Mediastreet. It is an ok
> product
> > > for low res scans. But if you want to scan at high resolution the
> > > clay coating will show in the scan.
> > >
> > > I think the manufacturer recomments it for 300% enlargment of
> less.
> > >
> > > Unfortunately I thre out a whole pack when I moved or I would
> give it
> > > to you.
> > >
> > > Mike
> > >
> 
>                    Yahoo! Groups Sponsor
>                        ADVERTISEMENT
> 
> 
> 
> Please visit the Group Homepage to check the Files, Bookmarks, Polls
> and other resources as they are often being updated. The page is at:
> 
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> 
> Please follow these basic guidelines:
> - Include your full name with your message.
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> - As threads develop, trim off excess portions of earlier messages to
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Peter,

Does sound like a lot of work! The Kami fluid is supposed to clean up 
easily. I will probably go with putting the neg directly on the 
scanner glass like I have with the UltraBase. That probably is about 
1.5 to 2mm lower than the intended position but it seems better to 
have it flat than sagging in the flimsy holder.

Send me your address of list and I will send you some UltraBase to 
try.

Martin Wesley


--- In DigitalBlackandWhiteThePrint@y..., Peter Lindman 
<plindman@q...> wrote:
> Martin,
> 
> I've been trying anti-newton ring oil and other mounting supplies 
from
> Prazio. Got some good, clean scans Saturday from two 4x5 negs but 
it's
> otherwise a very messy business. The 1680 has an alternate focal 
point
> for transparencies of 2.5mm, so I bought a piece of optically clear
> glass (could only get 2mm) to mount the film on. Using the oil and a
> mylar overlay (oil both underneath and on top of the film), the 
scans
> seemed sharper and cleaner. I used a rubber roller and my fingers 
to get
> the air bubbles out—a somewhat tedious business. Nothing definitive
> overall though. By the end of the day I wound up cutting a mask 
from a
> piece of exposed 7-mil graphics art film and was taping the 
negative on
> to that in order to bypass the scanner's included carrier. I'm way 
to
> impatient it seems for the oil thing…and my hands shake from a 
slight
> tremor when mounting, so it was a bit frustrating. But I'll try it 
again.
> 
> Peter
> 
(snip)

Peter, what software are you using? Both vuescan and silverprint allow you
to use the tranny lid and put the focus to 0.

Julian
----- Original Message -----
From: "Peter Lindman" <plindman@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Tuesday, November 20, 2001 6:10 AM
Subject: Re: [Digital BW] Re: UltraBase


> Martin,
>
> I've been trying anti-newton ring oil and other mounting supplies from
> Prazio. Got some good, clean scans Saturday from two 4x5 negs but it's
> otherwise a very messy business. The 1680 has an alternate focal point
> for transparencies of 2.5mm, so I bought a piece of optically clear
> glass (could only get 2mm) to mount the film on. Using the oil and a
> mylar overlay (oil both underneath and on top of the film), the scans
> seemed sharper and cleaner. I used a rubber roller and my fingers to get
> the air bubbles out-a somewhat tedious business. Nothing definitive
> overall though. By the end of the day I wound up cutting a mask from a
> piece of exposed 7-mil graphics art film and was taping the negative on
> to that in order to bypass the scanner's included carrier. I'm way to
> impatient it seems for the oil thing.and my hands shake from a slight
> tremor when mounting, so it was a bit frustrating. But I'll try it again.
>
> Peter
>
>
>
> Martin Wesley wrote:
> >
> > Peter,
> >
> > I did buy a pack and I am using it with my Linoscan 1400 to scan 4x5
> > negatives at 1200 dpi. I do not see anything in the scans from the
> > UltraBase but I don't consider myself an expert in this either.
> >
> > I have all the materials for wet mounting with Kami fluid but have
> > not tried it yet. When I do I will post a comparison with the
> > UltraBase.
> >
> > Wish I had more scanner resolution. Someday a Polaroid 45 Ultra maybe.
> >
> > Martin Martin
> >
> > --- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
> > <plindman@q...> wrote:
> > > I guess that's what I expected.unfortunately.
> > > I'm trying to improve the 4x5 scans that I get from my Epson 1680-
> > which
> > > are sharp enough generally but the carriers clip the edges of the
> > film
> > > and I'd rather not have that happen.
> > > Thanks Mike.
> > > Peter Lindman
> > >
> > > "Michael J. Kravit" wrote:
> > > >
> > > > Peter,
> > > >
> > > > I purchased a box of this stuff from Mediastreet. It is an ok
> > product
> > > > for low res scans. But if you want to scan at high resolution the
> > > > clay coating will show in the scan.
> > > >
> > > > I think the manufacturer recomments it for 300% enlargment of
> > less.
> > > >
> > > > Unfortunately I thre out a whole pack when I moved or I would
> > give it
> > > > to you.
> > > >
> > > > Mike
> > > >
> >
> >                    Yahoo! Groups Sponsor
> >                        ADVERTISEMENT
> >
> >
> >
> > Please visit the Group Homepage to check the Files, Bookmarks, Polls
> > and other resources as they are often being updated. The page is at:
> >
> > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> >
> > Please follow these basic guidelines:
> > - Include your full name with your message.
> > - Include the address of your website, if you have one.
> > - As threads develop, trim off excess portions of earlier messages to
> > keep them short.
> > - As the topic of a thread changes remember to change the subject
> > header.
> > - Good manners are required at all time. No personal attacks or
> > "flames."
> > - Complete your Yahoo profile.
> > - Before posting a question, search the message archives and the
> > various resources on the homepage.
> >
> > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
>
> Please visit the Group Homepage to check the Files, Bookmarks, Polls and
other resources as they are often being updated. The page is at:
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
> Please follow these basic guidelines:
> - Include your full name with your message.
> - Include the address of your website, if you have one.
> - As threads develop, trim off excess portions of earlier messages to keep
them short.
> - As the topic of a thread changes remember to change the subject header.
> - Good manners are required at all time. No personal attacks or "flames."
> - Complete your Yahoo profile.
> - Before posting a question, search the message archives and the various
resources on the homepage.

>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>

Julian,
I use both (though I've found VueScan seems corruption prone; lots of
hiccups on a Mac). But my thinking was that it might be easier to mount
on a separate sheet of glass\ufffdas on a Scitex Eversmart. That way the oil
is isolated from the scanner more.
Thanks
Peter Lindman

Julian Thomas wrote:

> 
> Peter, what software are you using? Both vuescan and silverprint allow
> you
> to use the tranny lid and put the focus to 0.
> 
> Julian

Martin,

Also I'd be glad to send you some mylar sheets if you'd like to give
that a go. Lots of prepress shops wrap the film with mylar in a kind of
drum-film-mylar sandwich.

thanks,
Peter

I've always sworn by vuescan but for the1680 silver... seems better. I need
to try this oil mounting bit. More experimentation!

Julian
----- Original Message -----
From: "Peter Lindman" <plindman@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Tuesday, November 20, 2001 5:01 PM
Subject: Re: [Digital BW] Re: UltraBase


> Julian,
> I use both (though I've found VueScan seems corruption prone; lots of
> hiccups on a Mac). But my thinking was that it might be easier to mount
> on a separate sheet of glass.as on a Scitex Eversmart. That way the oil
> is isolated from the scanner more.
> Thanks
> Peter Lindman
>
> Julian Thomas wrote:
> >
> > Peter, what software are you using? Both vuescan and silverprint allow
> > you
> > to use the tranny lid and put the focus to 0.
> >
> > Julian
>
>
> Please visit the Group Homepage to check the Files, Bookmarks, Polls and
other resources as they are often being updated. The page is at:
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
> Please follow these basic guidelines:
> - Include your full name with your message.
> - Include the address of your website, if you have one.
> - As threads develop, trim off excess portions of earlier messages to keep
them short.
> - As the topic of a thread changes remember to change the subject header.
> - Good manners are required at all time. No personal attacks or "flames."
> - Complete your Yahoo profile.
> - Before posting a question, search the message archives and the various
resources on the homepage.

>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>

Peter,

Thanks for the offer but I have an unopened pack of optical Mylar 
ready to go when I have the time and inclination. Let me know if you 
want some UltraBase.

Martin

--- In DigitalBlackandWhiteThePrint@y..., Peter Lindman 
<plindman@q...> wrote:
> 
> 
> Martin,
> 
> Also I'd be glad to send you some mylar sheets if you'd like to give
> that a go. Lots of prepress shops wrap the film with mylar in a 
kind of

> drum-film-mylar sandwich.
> 
> thanks,
> Peter

Martin,

I'm anxious to hear your experiences with the kammi fluid. I havn't
purchased any yet but would like to soon. I'm getting very good scans from
my PowerLook III just using the 4x5 holder. I find that 1200 dpi is more
than enough for inkjet sizes and holds up extremely well when I send off for
lightjets. But, I'm wishing for a 45 Ultra myself.

Scott

----- Original Message -----
From: "Martin Wesley" <mwesley250@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Monday, November 19, 2001 11:47 PM
Subject: [Digital BW] Re: UltraBase


Peter,

I did buy a pack and I am using it with my Linoscan 1400 to scan 4x5
negatives at 1200 dpi. I do not see anything in the scans from the
UltraBase but I don't consider myself an expert in this either.

I have all the materials for wet mounting with Kami fluid but have
not tried it yet. When I do I will post a comparison with the
UltraBase.

Wish I had more scanner resolution. Someday a Polaroid 45 Ultra maybe.

Martin Martin


--- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
<plindman@q...> wrote:
> I guess that's what I expected.unfortunately.
> I'm trying to improve the 4x5 scans that I get from my Epson 1680-
which
> are sharp enough generally but the carriers clip the edges of the
film
> and I'd rather not have that happen.
> Thanks Mike.
> Peter Lindman
>
> "Michael J. Kravit" wrote:
> >
> > Peter,
> >
> > I purchased a box of this stuff from Mediastreet. It is an ok
product
> > for low res scans. But if you want to scan at high resolution the
> > clay coating will show in the scan.
> >
> > I think the manufacturer recomments it for 300% enlargment of
less.
> >
> > Unfortunately I thre out a whole pack when I moved or I would
give it
> > to you.
> >
> > Mike
> >



Please visit the Group Homepage to check the Files, Bookmarks, Polls and
other resources as they are often being updated. The page is at:

http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint

Please follow these basic guidelines:
- Include your full name with your message.
- Include the address of your website, if you have one.
- As threads develop, trim off excess portions of earlier messages to keep
them short.
- As the topic of a thread changes remember to change the subject header.
- Good manners are required at all time. No personal attacks or "flames."
- Complete your Yahoo profile.
- Before posting a question, search the message archives and the various
resources on the homepage.




Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Martin,

Can you elaborate on what the optical mylar is used for? Does it prevent
newton rings?

Scott

----- Original Message -----
From: "Martin Wesley" <mwesley250@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Tuesday, November 20, 2001 3:12 PM
Subject: [Digital BW] Re: UltraBase


> Peter,
>
> Thanks for the offer but I have an unopened pack of optical Mylar
> ready to go when I have the time and inclination. Let me know if you
> want some UltraBase.
>
> Martin
>
> --- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
> <plindman@q...> wrote:
> >
> >
> > Martin,
> >
> > Also I'd be glad to send you some mylar sheets if you'd like to give
> > that a go. Lots of prepress shops wrap the film with mylar in a
> kind of
> > drum-film-mylar sandwich.
> >
> > thanks,
> > Peter
>
>
> Please visit the Group Homepage to check the Files, Bookmarks, Polls and
other resources as they are often being updated. The page is at:
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
> Please follow these basic guidelines:
> - Include your full name with your message.
> - Include the address of your website, if you have one.
> - As threads develop, trim off excess portions of earlier messages to keep
them short.
> - As the topic of a thread changes remember to change the subject header.
> - Good manners are required at all time. No personal attacks or "flames."
> - Complete your Yahoo profile.
> - Before posting a question, search the message archives and the various
resources on the homepage.

>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>

Scott,

This is from an article by George DeWolff in Camera Arts magazine.

Basically you tape a piece of optical grade Mylar to the glass plate 
of the scanner. Kami also makes a tape just for this purpose.

You then place some mounting fluid (George used mineral oil) on the 
glass and lay your negative on top of the fluid. Put more oil on top 
and lower the taped Mylar over the negative.

Using a soft cloth or scanner wipes, gently smooth down the Mylar and 
push out any air bubbles between the negative and glass and negative 
and Mylar.

You now have a glass-fluid-negative-fluid-Mylar sandwich. There are 
three benefits. One, the negative is perfectly flat. Two, any surface 
imperfections on the film and dust are rendered invisible. Three, you 
reduce the number of surface-air interfaces between the image and the 
lens which degrade the optical performance.

George's article with photographs is really amazing.

If you search the archives here and on the Piezo list for wet 
mounting you should turn up a lot of info.

Martin



--- In DigitalBlackandWhiteThePrint@y..., "Scott Hendershot" 
<scott@p...> wrote:
> Martin,
> 
> Can you elaborate on what the optical mylar is used for? Does it 
prevent
> newton rings?
> 
> Scott
> 
> ----- Original Message -----
> From: "Martin Wesley" <mwesley250@e...>
> To: <DigitalBlackandWhiteThePrint@y...>
> Sent: Tuesday, November 20, 2001 3:12 PM
> Subject: [Digital BW] Re: UltraBase
> 
> 
> > Peter,
> >
> > Thanks for the offer but I have an unopened pack of optical Mylar
> > ready to go when I have the time and inclination. Let me know if 
you
> > want some UltraBase.
> >
> > Martin
> >
> > --- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
> > <plindman@q...> wrote:
> > >
> > >
> > > Martin,
> > >
> > > Also I'd be glad to send you some mylar sheets if you'd like to 
give
> > > that a go. Lots of prepress shops wrap the film with mylar in a
> > kind of
> > > drum-film-mylar sandwich.
> > >
> > > thanks,
> > > Peter
> >
> >
> > Please visit the Group Homepage to check the Files, Bookmarks, 
Polls and
> other resources as they are often being updated. The page is at:
> >
> > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> >
> > Please follow these basic guidelines:
> > - Include your full name with your message.
> > - Include the address of your website, if you have one.
> > - As threads develop, trim off excess portions of earlier 
messages to keep
> them short.
> > - As the topic of a thread changes remember to change the subject 
header.
> > - Good manners are required at all time. No personal attacks 
or "flames."
> > - Complete your Yahoo profile.
> > - Before posting a question, search the message archives and the 
various
> resources on the homepage.
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to 
http://docs.yahoo.com/info/terms/
> >
> >

Martin,

Thanks for the information. I remember talk on the list about George's
article but was unable to find it at the news stands or bookstores. I will
probably have to contact the publisher and order a back issue.

Scott

----- Original Message -----
From: "Martin Wesley" <mwesley250@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Tuesday, November 20, 2001 11:03 PM
Subject: [Digital BW] Re: UltraBase


> Scott,
>
> This is from an article by George DeWolff in Camera Arts magazine.
>
> Basically you tape a piece of optical grade Mylar to the glass plate
> of the scanner. Kami also makes a tape just for this purpose.
>
> You then place some mounting fluid (George used mineral oil) on the
> glass and lay your negative on top of the fluid. Put more oil on top
> and lower the taped Mylar over the negative.
>
> Using a soft cloth or scanner wipes, gently smooth down the Mylar and
> push out any air bubbles between the negative and glass and negative
> and Mylar.
>
> You now have a glass-fluid-negative-fluid-Mylar sandwich. There are
> three benefits. One, the negative is perfectly flat. Two, any surface
> imperfections on the film and dust are rendered invisible. Three, you
> reduce the number of surface-air interfaces between the image and the
> lens which degrade the optical performance.
>
> George's article with photographs is really amazing.
>
> If you search the archives here and on the Piezo list for wet
> mounting you should turn up a lot of info.
>
> Martin
>
>
>
> --- In DigitalBlackandWhiteThePrint@y..., "Scott Hendershot"
> <scott@p...> wrote:
> > Martin,
> >
> > Can you elaborate on what the optical mylar is used for? Does it
> prevent
> > newton rings?
> >
> > Scott
> >
> > ----- Original Message -----
> > From: "Martin Wesley" <mwesley250@e...>
> > To: <DigitalBlackandWhiteThePrint@y...>
> > Sent: Tuesday, November 20, 2001 3:12 PM
> > Subject: [Digital BW] Re: UltraBase
> >
> >
> > > Peter,
> > >
> > > Thanks for the offer but I have an unopened pack of optical Mylar
> > > ready to go when I have the time and inclination. Let me know if
> you
> > > want some UltraBase.
> > >
> > > Martin
> > >
> > > --- In DigitalBlackandWhiteThePrint@y..., Peter Lindman
> > > <plindman@q...> wrote:
> > > >
> > > >
> > > > Martin,
> > > >
> > > > Also I'd be glad to send you some mylar sheets if you'd like to
> give
> > > > that a go. Lots of prepress shops wrap the film with mylar in a
> > > kind of
> > > > drum-film-mylar sandwich.
> > > >
> > > > thanks,
> > > > Peter
> > >
> > >
> > > Please visit the Group Homepage to check the Files, Bookmarks,
> Polls and
> > other resources as they are often being updated. The page is at:
> > >
> > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> > >
> > > Please follow these basic guidelines:
> > > - Include your full name with your message.
> > > - Include the address of your website, if you have one.
> > > - As threads develop, trim off excess portions of earlier
> messages to keep
> > them short.
> > > - As the topic of a thread changes remember to change the subject
> header.
> > > - Good manners are required at all time. No personal attacks
> or "flames."
> > > - Complete your Yahoo profile.
> > > - Before posting a question, search the message archives and the
> various
> > resources on the homepage.
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
>
> Please visit the Group Homepage to check the Files, Bookmarks, Polls and
other resources as they are often being updated. The page is at:
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
> Please follow these basic guidelines:
> - Include your full name with your message.
> - Include the address of your website, if you have one.
> - As threads develop, trim off excess portions of earlier messages to keep
them short.
> - As the topic of a thread changes remember to change the subject header.
> - Good manners are required at all time. No personal attacks or "flames."
> - Complete your Yahoo profile.
> - Before posting a question, search the message archives and the various
resources on the homepage.

>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>

Martin,

Can you tell me where you bought the Kami. I've had trouble finding a
place online to buy it. Based upon user reports of easy cleanup, it was
my first choice.

Thanks
Peter Lindman

Peter,

I bought mine locally from a company called Primesouce, which sells 
prepress supplies and equipment. They have branch offices all over 
the US.

http://www.primesource.com/pages/locations.html
http://www.kami-produkte.de/english/

I got the Mylar and Ultrabase from Media Street.

I hope that helps.

Martin


--- In DigitalBlackandWhiteThePrint@y..., Peter Lindman 
<plindman@q...> wrote:
> 
> 
> Martin,
> 
> Can you tell me where you bought the Kami. I've had trouble finding 
a
> place online to buy it. Based upon user reports of easy cleanup, it 
was

> my first choice.
> 
> Thanks
> Peter Lindman

I was wondering what material to buy (is it called Mylar or Ultrabase 
or ?). and what thickness in mm to look for. to try and keep negs 
flatter in the 120 film holder for the Polaroid Sprintscan 120 ?

I searched the archives and found this thread ... hopefully I can 
catch up and try this technique.
thank you,
Frank