RE: [pinhole-discussion] Polaroid 545 back

2001-09-04 Thread Derek Watkins
See my reply to Mark.

Regards
Derek

Derek Watkins  Associates
27 Bray's Lane
Coventry CV2 4DT

Tel:024 7645 4419
Fax:024 7645 8989
Mobile: 077 7893 3094

-Original Message-
From:   INTERNET:pinhole-discussion@p at ??? 
Sent:   03 September 2001 12:48
To: INTERNET:pinhole-discussion@p at ???
Subject:Re: [pinhole-discussion] Polaroid 545 back

My experience with pinhole color polaroid is that you get terrible ugly
green color shifts.



Re: [pinhole-discussion] Polaroid 545 back

2001-09-03 Thread Bill Erickson
My experience with pinhole color polaroid is that you get terrible ugly
green color shifts.
- Original Message -
From: mdelman mdel...@rochester.rr.com
To: pinhole-discussion@p at ???
Sent: Monday, September 03, 2001 3:57 AM
Subject: Re: [pinhole-discussion] Polaroid 545 back


 Derek:

 Do you have similar exposure time information for other ISO's of polaroid
 film BW and color)  Thanks.

 -Mark
 - Original Message -
 From: Calfee, Laura lcal...@central.uh.edu
 To: pinhole-discussion@p at ???
 Sent: Wednesday, August 29, 2001 5:46 PM
 Subject: RE: [pinhole-discussion] Polaroid 545 back


  just what I was looking for.  Thanks so much!
 
   -Original Message-
   From: Derek Watkins [mailto:100015@compuserve.com]
   Sent: Wednesday, August 29, 2001 8:59 AM
   To: 'INTERNET:pinhole-discussion@p at ???'
   Subject: RE: [pinhole-discussion] Polaroid 545 back
  
  
   Laura
  
   Excuse me for butting in. I regularlyuse Type 55 at ISO 25 and use the
   following reciprocity corrections:
  
   Indicated exposure  Correction factor   Final exposure
   8 seconds   2x  16 seconds
   16 seconds  2.5x40 seconds
   32 seconds  3x  96 seconds
   64 seconds  4x  256 seconds
   2 minutes   5x  10 minutes
   4 minutes   6x  24 minutes
  
   Hope this helps.
  
   Regards
   Derek Watkins
  
   --
   From:   INTERNET:pinhole-discussion@p at ???
   Sent:   27 August 2001 22:13
   To: 'pinhole-discussion@p at ???'
   Subject:RE: [pinhole-discussion] Polaroid 545 back
  
  
   Bill, When you rate Type 55 at ISO 25, is there a need to
   calculate for
   reciprocity failure. If so, how do you do so?  I've been
   using Type 55 with
   my Leonardo with some good results but I've just been guessing at the
   exposures.  I'd appreciate any suggestions you have.
   Laura
  
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Re: [pinhole-discussion] Polaroid 545 back

2001-09-02 Thread Bill Erickson
Likewise the new Kodak single sheet readyloads. Best success if you load it
while holding it in your hand, then insert in camera. It's easier to tell if
it's hooked properly.
- Original Message -
From: Katharine Thayer ktha...@pacifier.com
To: pinhole-discussion@p at ???
Sent: Sunday, September 02, 2001 1:01 PM
Subject: Re: [pinhole-discussion] Polaroid 545 back


 Andy Schmitt wrote:
 
  The 545 back is only for Polaroid sheet film..It does allow you to
use
  Polaroid where previously only sheet film holders could go. I've heard
some
  people trying to use ready-loads in them but without much success...
 


 The instruction sheet that comes with Fuji Quickload film includes
 instructions for how to use it with the Polaroid 545 back as well as
 with the Fuji Quickload back, so apparently Fuji at least thinks the
 Fuji Quickload works fine in the Polaroid back.
 Katharine Thayer

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Re: [pinhole-discussion] Polaroid 545 back

2001-09-02 Thread Katharine Thayer
Andy Schmitt wrote:
 
 The 545 back is only for Polaroid sheet film..It does allow you to use
 Polaroid where previously only sheet film holders could go. I've heard some
 people trying to use ready-loads in them but without much success...
 


The instruction sheet that comes with Fuji Quickload film includes
instructions for how to use it with the Polaroid 545 back as well as
with the Fuji Quickload back, so apparently Fuji at least thinks the
Fuji Quickload works fine in the Polaroid back.
Katharine Thayer



RE: [pinhole-discussion] Polaroid 545 back

2001-08-29 Thread Calfee, Laura
just what I was looking for.  Thanks so much!

 -Original Message-
 From: Derek Watkins [mailto:100015@compuserve.com]
 Sent: Wednesday, August 29, 2001 8:59 AM
 To: 'INTERNET:pinhole-discussion@p at ???'
 Subject: RE: [pinhole-discussion] Polaroid 545 back
 
 
 Laura
 
 Excuse me for butting in. I regularlyuse Type 55 at ISO 25 and use the
 following reciprocity corrections:
 
 Indicated exposure  Correction factor   Final exposure
 8 seconds   2x  16 seconds
 16 seconds  2.5x40 seconds
 32 seconds  3x  96 seconds
 64 seconds  4x  256 seconds
 2 minutes   5x  10 minutes
 4 minutes   6x  24 minutes
 
 Hope this helps.
 
 Regards
 Derek Watkins
 
 --
 From:   INTERNET:pinhole-discussion@p at ???
 Sent:   27 August 2001 22:13
 To: 'pinhole-discussion@p at ???'
 Subject:RE: [pinhole-discussion] Polaroid 545 back
 
  
 Bill, When you rate Type 55 at ISO 25, is there a need to 
 calculate for
 reciprocity failure. If so, how do you do so?  I've been 
 using Type 55 with
 my Leonardo with some good results but I've just been guessing at the
 exposures.  I'd appreciate any suggestions you have.
 Laura
 
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RE: [pinhole-discussion] Polaroid 545 back

2001-08-29 Thread Derek Watkins
Laura

Excuse me for butting in. I regularlyuse Type 55 at ISO 25 and use the
following reciprocity corrections:

Indicated exposure  Correction factor   Final exposure
8 seconds   2x  16 seconds
16 seconds  2.5x40 seconds
32 seconds  3x  96 seconds
64 seconds  4x  256 seconds
2 minutes   5x  10 minutes
4 minutes   6x  24 minutes

Hope this helps.

Regards
Derek Watkins

--
From:   INTERNET:pinhole-discussion@p at ???
Sent:   27 August 2001 22:13
To: 'pinhole-discussion@p at ???'
Subject:RE: [pinhole-discussion] Polaroid 545 back

 
Bill, When you rate Type 55 at ISO 25, is there a need to calculate for
reciprocity failure. If so, how do you do so?  I've been using Type 55 with
my Leonardo with some good results but I've just been guessing at the
exposures.  I'd appreciate any suggestions you have.
Laura



Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread Jean Daubas
Hi all !


You will find plenty of practical info and useful advices on the Large
Format site maintained by QT Luong, where a whole chapter is devoted to all
kinds of holders and specially Grafmatik, Readyload, Fuji, Polaroïd .
Have a look at it!   The address is :
http://www.cs.berkeley.edu/~qtluong/photography/lf/holders.html

Hope it can help !
Happy pinholing, from France
Jean

- Original Message -
From: lva l...@pamho.net
To: pinhole-discussion@p at ???
Sent: Tuesday, August 28, 2001 8:33 AM
Subject: Re: [pinhole-discussion] Polaroid 545 back







Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread Chris Peregoy

I have two packs of TriX Film Packs that will fit your back if you want them.
They went out of date in Sept. 1969.

Mike Vande Bunt wrote:

 Just a warning for any of you who may be looking for a
 Graphic Polaroid pack film adapter (I got one as part of
 an oscilloscope camera):  Do not accidentally bid on a
 Graphic Film Pack Adapter -- this was for non-instant
 packs of sheet film that used a pull-tab system like the
 Polaroid packs, BUT the film packs used by these holders
 have not been made for many years. Make certain that the
 auction listing specifically states Polaroid in the description.


--
Chris Peregoy | http://www.gl.umbc.edu/~peregoy | http://imda.umbc.edu/




Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread lva
 Kodak have discontinued the double sided sheet readyload film, but are
 now producing a sigle film envelope to go in a new holder - not
 released yet. However they say it will fit the 545 back without a
 problem. Tests reported on the web are very encouraging. Cost (in UK)
 is @ £20 a box of 20 envelopes of TMAX that is @ 25% more than the
 cost of the normal T Max sheets. I am going to give it a try as it
 beats walking around with a stack of film holders.


Very interesting. Do you know if Kodak has Tmax 100 as readyloads for
8x10 holders?

Brahma



Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread Mike Vande Bunt
Reportedly (www.graflex.org) the 545 back CAN be used
with Fiji Quickloads and the Kodak equivalent that I can't
seem to remember the name of.  (Though the correct holders
for those film loads are cheaer than a 545 if you have no
interest in using Polaroid materials...)

Mike Vande Bunt


Sally Bowker wrote:

 Terry,

 Are you wanting to use polaroid film in the 545 back or are you
 thinking of somehow using it as a holder for regular sheet film?
 That would be very interesting to me also if it's possible.

 Sally Bowker

 Can anyone give me advice on using sheet film in a polaroid 545 back
 on a pinhole camera?  Results with different films etc.  Thanks,
 Terry

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Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread Mike Vande Bunt
Don't use the 3000 speed bw film unless you have an
actual shutter; the exposures are usually in the fraction
of a second range.  WITH a shutter it is a great film to use
becaue you can hand hold the camera.  (I have used it in
a Speed Graphic with pinhole.)

Mike Vande Bunt


Ann King wrote:

 Can anyone give me advice on using sheet film in a polaroid 545 back
 on a pinhole camera?  Results with different films etc.  Thanks, Terry




Re: [pinhole-discussion] Polaroid 545 back

2001-08-28 Thread Gordon J. Holtslander
More thread hijacking...

Years ago I did some fiddling with single sheet 4x5 polaroid.  I was
trying to make a do-it-yourself polaroid back on a pinhole camera.  I
never got it working - but didn't persist.

I did discover that one can take a polaroid sheet, expose it in the
standard single sheet back, pull the sheet out without engaging the
rollers, and process the film by rolling something smooth rigid and
round over the chemical pod.

This bursts the pod and processes the film.  No need for a somewhat
expensive back - the film is expensive enough!

If one could make up a latch and darkslide stop they would have a workable
DIY polaroid back.

Gord

On Sun, 26 Aug 2001, Guillermo wrote:

 I don't mean to hijack the thread but, talking about Polaroid, there are at
 eBay quite a few number of Graphic Polaroid adapters that take Polaroid pack
 film, I believe this is the less expensive 600 type of film (665 for
 instance is the positive+negative film).  They don't go for a lot of money
 and IMO can easily be used in a pinhole set up, you know, screwed to wooden
 box, taped to a cardboard box, etc.

 Just thought to let you people know, for the benefit os those that, like me,
 didn't know this things existed.

 Guillermo


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-
Gordon J. Holtslander   Dept. of Biology
hol...@duke.usask.ca112 Science Place
http://duke.usask.ca/~holtsgUniversity of Saskatchewan
Tel (306) 966-4433  Saskatoon, Saskatchewan
Fax (306) 966-4461  Canada  S7N 5E2
-




Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Bill Erickson
It's been so long I don't remember. I do recall, though, that there's a table 
of reciprocity corrections for different films in Steve Simmons' book on using 
the view camera. 
  - Original Message - 
  From: Calfee, Laura 
  To: 'pinhole-discussion@p at ???' 
  Sent: Monday, August 27, 2001 3:58 PM
  Subject: RE: [pinhole-discussion] Polaroid 545 back


  Bill, When you rate Type 55 at ISO 25, is there a need to calculate for 
reciprocity failure. If so, how do you do so?  I've been using Type 55 with my 
Leonardo with some good results but I've just been guessing at the exposures.  
I'd appreciate any suggestions you have.
  Laura
. 
  - Original Message - 
  From: Bill Erickson 
  To: pinhole-discussion@p at ??? 
  Sent: Monday, August 27, 2001 2:27 PM
  Subject: Re: [pinhole-discussion] Polaroid 545 back


  The fact that you use readyloads in a polaoid back is entirely 
coincidental to the outcome. Polaroid type 55, exposed at ISO 25, will give you 
excellenmt BW negatives. The new Kodak single sheet readyloads should work 
well also. The image size of the polaroid holder is a trifel smaller than the 
regular holder, but that's a minor point. 



RE: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Calfee, Laura
Bill, When you rate Type 55 at ISO 25, is there a need to calculate for
reciprocity failure. If so, how do you do so?  I've been using Type 55 with
my Leonardo with some good results but I've just been guessing at the
exposures.  I'd appreciate any suggestions you have.
Laura

. 

- Original Message - 
From: Bill Erickson mailto:erick...@hickorytech.net  
To: pinhole-discussion@p at ??? mailto:pinhole-discussion@p at ???  
Sent: Monday, August 27, 2001 2:27 PM
Subject: Re: [pinhole-discussion] Polaroid 545 back

The fact that you use readyloads in a polaoid back is entirely coincidental
to the outcome. Polaroid type 55, exposed at ISO 25, will give you
excellenmt BW negatives. The new Kodak single sheet readyloads should work
well also. The image size of the polaroid holder is a trifel smaller than
the regular holder, but that's a minor point. 

 



Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Guillermo
I don't mean to hijack the thread but, talking about Polaroid, there are at
eBay quite a few number of Graphic Polaroid adapters that take Polaroid pack
film, I believe this is the less expensive 600 type of film (665 for
instance is the positive+negative film).  They don't go for a lot of money
and IMO can easily be used in a pinhole set up, you know, screwed to wooden
box, taped to a cardboard box, etc.

Just thought to let you people know, for the benefit os those that, like me,
didn't know this things existed.

Guillermo




Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread George L Smyth
--- Colin Talcroft ctalcr...@yahoo.com wrote:
 I was surprised to see someone here say
 that people say they have trouble with them. The only
 difficult thing is that removing them from the holder
 is sometimes difficult, but I find the Polaroid films
 difficult to remove too (removing them without putting
 them through the built-in processing rollers). 

I have yet to be able to successfully do this.  Normally, the metal portion
detatchs itself from the unit, ruining the negative.  I gave up on this quite
some time back (way too expensive to continue trying).

Cheers -

george

=
Handmade Photographic Images
http://members.home.net/hmpi/

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Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Robin Coutts
Kodak have discontinued the double sided sheet readyload film, but are now 
producing a sigle film envelope to go in a new holder - not released yet. 
However they say it will fit the 545 back without a problem. Tests reported on 
the web are very encouraging. Cost (in UK) is @ £20 a box of 20 envelopes of 
TMAX that is @ 25% more than the cost of the normal T Max sheets. I am going to 
give it a try as it beats walking around with a stack of film holders.

Robin


Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Bill Erickson
The fact that you use readyloads in a polaoid back is entirely coincidental to 
the outcome. Polaroid type 55, exposed at ISO 25, will give you excellenmt BW 
negatives. The new Kodak single sheet readyloads should work well also. The 
image size of the polaroid holder is a trifel smaller than the regular holder, 
but that's a minor point. 
  - Original Message - 
  From: Ann King 
  To: pinhole-discussion@p at ??? 
  Sent: Monday, August 27, 2001 9:11 AM
  Subject: [pinhole-discussion] Polaroid 545 back


  Can anyone give me advice on using sheet film in a polaroid 545 back on a 
pinhole camera?  Results with different films etc.  Thanks, Terry


RE: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Andy Schmitt
interesting...I've had so many people in other newsgroups berate the
combination...
I'll have to give it a try..
thanks
andy

-Original Message-
From: pinhole-discussion-admin@p at ???
[mailto:pinhole-discussion-admin@p at ???]On Behalf Of Colin Talcroft
Sent: Monday, August 27, 2001 2:22 PM
To: pinhole-discussion@p at ???
Subject: Re: [pinhole-discussion] Polaroid 545 back


I use the Polaroid 545 back with the Kodak Ready Loads
all the time with great success. They are very easy to
use. I don't know what range of films is available in
the Ready Load format, but I use the T-Max 100
version. They come in boxes of ten with two sheets in
each. You expose one side, remove it and then turn it
over to use the other side--much like a traditional
film holder. I was surprised to see someone here say
that people say they have trouble with them. The only
difficult thing is that removing them from the holder
is sometimes difficult, but I find the Polaroid films
difficult to remove too (removing them without putting
them through the built-in processing rollers). In
fact, I have ruined more Polaroid film doing this than
I have the Ready Loads. I recommend them if you can
afford the extra expense. The  per-sheet cost of the
film will be higher than if you loaded sheet film into
ordinary holders.

Colin

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Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Colin Talcroft
I use the Polaroid 545 back with the Kodak Ready Loads
all the time with great success. They are very easy to
use. I don't know what range of films is available in
the Ready Load format, but I use the T-Max 100
version. They come in boxes of ten with two sheets in
each. You expose one side, remove it and then turn it
over to use the other side--much like a traditional
film holder. I was surprised to see someone here say
that people say they have trouble with them. The only
difficult thing is that removing them from the holder
is sometimes difficult, but I find the Polaroid films
difficult to remove too (removing them without putting
them through the built-in processing rollers). In
fact, I have ruined more Polaroid film doing this than
I have the Ready Loads. I recommend them if you can
afford the extra expense. The  per-sheet cost of the
film will be higher than if you loaded sheet film into
ordinary holders.

Colin 

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Re: [pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Sally Bowker

Terry,

Are you wanting to use polaroid film in the 545 back or are you 
thinking of somehow using it as a holder for regular sheet film? 
That would be very interesting to me also if it's possible.


Sally Bowker







Can anyone give me advice on using sheet film in a polaroid 545 back 
on a pinhole camera?  Results with different films etc.  Thanks, 
Terry





[pinhole-discussion] Polaroid 545 back

2001-08-27 Thread Ann King
Can anyone give me advice on using sheet film in a polaroid 545 back on a 
pinhole camera?  Results with different films etc.  Thanks, Terry