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  1. Replies
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    Re: Do we need the mylar?

    For the record, Mylar is often generically used to refer to polyester film or plastic sheet. However, it is also a registered trademark owned by Dupont....
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    Re: Easy alternative processes?

    Yes, in terms of the B&S price for the palladium and platinum solutions, palladium is less expensive. However, eventually prices for the solutions will probably reflect market value of the metals...
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    Re: Easy alternative processes?

    Interesting that one of the marketing features of the ziatype is the use of the lest expensive palladium metal in place of platinum.That was true back then when ziatype was first marketed, but not...
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    Re: My Digitizing Tools article

    Thanks Peter,

    I just ordered a pair of the rollers.

    Sandy
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    Re: My Digitizing Tools article

    Sounds like a great solution for cleaning negatives.

    How long do the rollers last? And can they be cleaned or must they be replaced.

    Sandy
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    Re: Do we need the mylar?

    Fluid mounting does minimize dust and other debris on or in the film emulsion. But it is a bit more time consuming, which can add up if volume and time is an issue. And even if you fluid mount most...
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    Re: Do we need the mylar?

    If you can keep the film flat on the glass for the duration of the exposure, emulsion facing the camera lens, you don't need mylar IMHO. The problem is that if you use any type of fluid between the...
  8. Re: Three Views of Manzanar: Ansel Adams, Dorothea Lange and Toyo Miyatake

    I don't know how well it is generally known but some of the internment camps were located in southeast Arkansas, including one called Rowher.

    Allen H. Eaton published a book about internment...
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    Re: Relevance of zone system when scanning

    And don't forget to remove the lens cap if photographing with a film rangefinder camera!!

    Sandy
  10. Re: Post your homage to another photographer (any format)

    If there is any wrong it is erroneous suppositions based on limitations of personal knowledge.

    Sudek did indeed make quite a number of images of still life portraits of leaves in water, bread,...
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    Re: 4x5 Exposed Film Archiving

    I store all of my 4X5 and 5X7 negatives the same way, in Print File sheets, ordinary three-ring notebook. I have many stored that way since the 1980s and they are all still in pristine condition. I...
  12. Re: Likely Very Naive Question, sheet film then scan to produce a digital print.

    In a broader sense, learning to use a view camera is highly educational, regardless of final image quality. 1. Use of the view camera connects the photographer to the earliest days of photography, as...
  13. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Hi Alan,

    Thank you for your comments about the tones. The tones are really very rich, but not by my design. This negative was made in my first years of using LF in the early 1980s, and I...
  14. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Yes, in principle I would like to get all of the detail out of a scan, as scanning negatives is very time consuming.

    I have found that with 5X7 I am not able to get quite as much information as I...
  15. Re: Scanning 4x5: Buying an Epson Flatbed VS my current DSLR (5DII) VS Lab Scans

    Sure, I plan to make physical prints with the files. 25 lpm at 11" wide would give image resolution of approximately 1200 ppi, or at 22" on the long dimension of about 600 ppi. I use a RIP (QTR) that...
  16. Re: Scanning 4x5: Buying an Epson Flatbed VS my current DSLR (5DII) VS Lab Scans

    You are very welcome.

    The specs of the camera are pretty impressive, but some might find that simple three-shot stitch and merge with PS using a much less expensive 36mp-42mp Sony a7r or a7r11 (or...
  17. Re: Scanning 4x5: Buying an Epson Flatbed VS my current DSLR (5DII) VS Lab Scans

    I am using a Kaiser light panel with the Sony a7r iv, scanning in 16 shot pixel shift mode. Just completed a project of digitizing some 90-100 5X7 Tr-X negatives I made in 1994 in a two week stay in...
  18. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Use of a pixel shift workflow looks promising for digitizing film of all size, as well as photographing anything not in motion.

    However, to take advantage of of this very high resolution...
  19. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    There has been some speculation in this thread that pixel shifting with cameras such as the Panasonic S1R/Sony a7r iv does not result in much actual effective gain in resolution. I finally had the...
  20. Re: Scanning one's collection of negatives and slides.

    Judging resolution sure may need some type of high resolution test chart. However, for tonal reproduction I would just shoot in AWB, in manual mode with exposure time adjusted visually based on your...
  21. Re: ColorPerfect And MAC OSX Catalina Issues ?

    Have you checked to see if you have a 32 bit or 64 bit version of ColorPerfect? 32 bit software will not run on OS X Catalina.

    Sandy
  22. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    I reviewed the requirements of the original poster, and subsequent posts, and determined the following.

    1. The OP has a wide variety of formats and media, ranging in size from 4X5 to small format,...
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    Re: PQ Universal for HP5+ and/or Pan F+

    In the early days the term gamma was used to describe curve slope, and for a straight line part of the curve it is an angle found by dividing the density range of the negative by subject brightness...
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    Re: Mac Pro: "New" (for me) Computer

    Google Drive would be good if your digital archive is not large, and if you have a fast internet service.

    My archive is quite large so back-up with the time machine to an internal hard drive of 8...
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    Re: Mac Pro: "New" (for me) Computer

    There are four internal bays for hard drives on all Mac Pros through 2012. I recommend an SSD of about 500 GB for the boot drive, and then 1-3 regular spinning hard drives of 6TB - 12TB in the other...
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    Re: Carbon Transfer by Focal Press

    Karl

    When you open the Amazon link for the book click on LOOK INSIDE and you will see a Table of Contents, and a preview of what is inside. The Focal book is a completely new book, not a re-write...
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    Re: Carbon Transfer by Focal Press

    Hard to say when the book will arrive, but it has already been printed in at least one location. BTW, these days some books are printed in multiple locations, some could be in the US, others in the...
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    Re: Carbon Transfer by Focal Press

    Thanks for your interest. The carbon book appears to be shipping now, also available in Kindle version.
    ...
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    Re: Getting the best out of Gold Toner

    Gold toner formulas can give virtually any tone desired. But for archival purposes it is important to understand that toning a silver halide emulsion with gold to completion should result in a cool...
  30. Re: Advice on Printer purchase for Dig Neg, w/out Pizza Wheels

    I also use a P400 for some of my work with digital negatives and as Andrew notes, the tones are very smooth and it is a very sharp printer. With a printer like the P400 that uses the star wheels to...
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    Re: Pyrocat-HD Sudden Death!

    Very glad to hear that a second test returned good results. I have made many mistakes myself in mixing formulas, more than I would care to admit. But as they say, to err is human!

    Sandy
  32. Re: Advice on Printer purchase for Dig Neg, w/out Pizza Wheels

    There are several options for you to consider to avoid the nightmare of pizza wheel marks.

    1) With the 3880 and P800 there is a way to lift the star wheels so that they do not touch your digital...
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    Re: Pyrocat-HD Sudden Death!

    I use only Pyrocat-HDC now, and for at least the past five years.

    In terms of results -HDC is for all practical purposes perfectly interchangeable with -HD. I spent several weeks running tests to...
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    Re: Pyrocat-HD Sudden Death!

    Ascorbic acid is Vitamin C, available in pure powder for as little as 3-4$ per pound. Available locally at health food stores, Walmart, etc. Propylene glycol is also a food product, available for...
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    Re: Pyrocat-HD Sudden Death!

    Hi jp,

    Thank you for your kind words.

    Much of my work with the use of ascorbic acid in the Pyrocat formula was based on personal exchange of testing with Patrick Gainer, or "Gadget" Gainer as...
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    Re: Pyrocat-HD Sudden Death!

    It is always possible that if the volume of Stock Solution A is very low in a bottle there will be slow oxidation from the great amount of air. This is what normally limits shelf life of Pyrocat...
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    Re: Pyrocat-HD Sudden Death!

    Hi Flauvius,

    I have had a friendly relationship with the folks at PF for a very long time, having taught carbon workshops there off and on since the late 1990s. However, PF is not an authorized...
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    Re: DPL users/owners of Howtek/Aztek scanners

    The bulbs last a long time but they do need to be replaced from time to time. You can toggle between reflective and transparency setting on the panel, you may have done that and inadvertently turned...
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    Re: Problem with Pyrocat HD from PF

    I have used the stock liquid form in glycol, and never had any trouble with it. Some of the chemicals in the -HD formula, especially metabisulfite and bromide, need a lot of heat to go into solution...
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    Re: Problem with Pyrocat HD from PF

    Nearly all of the issues associated with Pyrocat seem rooted in working procedures or operator error.

    Any developer that contains carbonate can develop sufficient gas to cause pinholes in film...
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