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  1. Re: Howtek 8000 Drum vs. Epson V850 flatbed scanners

    And at what aperture did you set the lens?

    Sandy
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    Re: Show off your ULF camera

    The Canham ULF cameras are quite beautiful, and have great bellows draw and movements with minimum weight. I owned and used both 7X17 and 12X20 Canham cameras in the past. With the 12X20 I definitely...
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    Re: Carbon printing vs Gum dichromate

    There are some differences in the way various colloids adhere to different types of surfaces, but the issue is more complicated than gum arabic versus gelatin.

    Gum is a type of a direct carbon...
  4. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    I don't remember you being around at the time but my take on this is that the subject of getting optimum performance from Epson and other flatbed scanners was widely discussed on both this forum, and...
  5. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    There is an old saying we used to say in Louisiana - Plus ça change, plus c'est la même chose. The new paradigm for getting the most out of Epson scanners has been around a long time. Here are some...
  6. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Already plenty of test results out there for scanners IMO. If someone picks up an old scanner they are free to review the existing literature to determine if the device is suitable for their needs....
  7. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Jim has expressed my opinion almost to a word.

    One more thought. Don't feed the trolls.

    “So long as an opinion is strongly rooted in the feelings, it gains rather than loses in stability by...
  8. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Hi,

    I don't believe there are any HP4 negatives that are worth scanning in my archive. I used it from time to time but way back then, and none of my good work in either medium format or LF was...
  9. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Per,

    Some great comments at the end of that article, which I believe is about three years old.

    Quote

    "I have a $20 solution that will equal the quality of the Flextight scanner. Put a...
  10. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Rick,

    Well said. I take my hat off to you for having the patience to write this up.

    But what is a laser scanner? I never heard of that?

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

    Per,

    I know that the Rodagon D 2X was designed for medium format. That is why I own it, originally purchased it to use on the Leafscsan 45 in place of the Rodagon D 1:1 for scanning medium format...
  12. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Some of the early film scanners, including the Leafscan 45 (some consider the Mother of all CCD scanners) and the early Imacons, were basically reverse enlargers, and that is bascially what we are...
  13. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Apo Rodagon 75mm 2X appears to give higher resolution, but gives more flare so better baffle system required. Sigma 70 mm Macro Art has very high contrast and almost flare proof. Overall I suspect...
  14. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    I would definitely stick with the Sony a7r iv for digitizing film. The pixel shifting system is very effective and the higher resolution more than makes up for the smaller sensor size.

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

    When you ask if there are any camera systems that can rival drum scanning, what format do you have in mind? In my reply below I will assume that by "drum scanning" quality you mean effective...
  16. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Per,

    If you were to do some research from the forum archives you would find quite a number of posts by me from about 10-15 years ago on using the V700 to get optimum results, including the use of...
  17. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    I did not see that this problem, but I did test a number of good lenses designed for about 1:2 - 1:4 and results were a bit unequal. I actually tested a 55mm Micro Nikkor in some earlier work and it...
  18. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Most of the scanning I do has been of B&W film, medium format through 12X20.

    Best scanners I have used for B&W scanning were drum scanners, Howtek 4000 and Howtek 7500. I also used an Eversmart...
  19. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Regarding your work with the Sony a7r iii, I would suggest that you just avoid the pixel shifting and shoot a straight mosaic of about six shots, overlapping about 25%. This should stitch very fast...
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    Re: Collodion websites closed

    I moderated a group on carbon printing for many years on Yahoo, moved it to groups.io several years ago when it became apparent that Yahoo had no interest in continuing support of groups. At the...
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    Re: Lightbox for film scanning

    Not hands off at all as there are lots of steps involved both in digitizing the film and then processing in software. But in spite of the many steps I still find it much more time effective to...
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    Re: DSLR Scanning - Signal / Noise

    There appear to be support in Light Room for opening Sony pixel shift shots.
    https://www.dpreview.com/news/5727281053/adobe-has-quietly-added-support-for-sony-s-arq-pixel-shift-files-to-lightroom
    ...
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    Re: DSLR Scanning - Signal / Noise

    Sony mirrorless cameras 42 mp and greater (a7r ii, a7r iii and a7r iv) do not have AA filters. This is probably true of some other brands of high resolution FF cameras.

    Sandy
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    Re: Lightbox for film scanning

    Kirk,

    BTW, if possible rent or borrow a Sony a7r iv for your tests. The a7r iii is a very good camera but the pixel shifting mode of the a7r iv is more powerful, and results in much higher...
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    Re: Lightbox for film scanning

    Peter,

    Just want to say that I appreciate your very early experimentation with this method of digitizing film. As I recall there was a lot of skepticism from PMT advocates back then, but thanks...
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    Re: Lightbox for film scanning

    Hi Kirk,

    I have been using a Sigma 70 mm f/2.8 DG Macro Art for digitizing 4X5 and 5X7 film. No complaints about sharpness, which is superb, but manual focus is "by wire" and for this application...
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    Re: Lightbox for film scanning

    Hi Alan,

    I plan to use the a7r iv eventually for normal picture but so far have not. But I bet it will give excellent results in the 5X7 large format film setting.:o

    Sandy
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    Re: Lightbox for film scanning

    Hi Tom,

    I previously digitized with a Sony a7r (36 mp) most of my archive of 35mm color slides. In that case I was able to capture with just one shot almost all of the detail, and tonal range, on...
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    Re: Lightbox for film scanning

    For what it is worth I have been quite pleased with the Kaiser 10X15" LED light panel. I am digitizing LF film with the panel placed about three inches from the film (on glass) and lighting is very...
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    Re: DPL users/owners of Howtek/Aztek scanners

    I have used a polyester splicing tape with Kami purchased from Tape Jungle.
    https://www.tapejungle.com/products/polyester-splicing-tape-70xxx.html

    I think the splicing tape should work with...
  31. Re: tri-color photography with oneshot camera: exposure?

    I would suggest about +3 1/3 stops for the Red and Green negatives, and + 1 2/3 stops for the Blue. Develop the R and G negatives for about the same time, the B negative about 50% more.
    ...
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    Re: Lightbox for film scanning

    B&H also sells a smaller 4X5 Logan light panel.
    ...
  33. Re: Can you guys recommend any good replacement Ground Glass/Fresnel Lens for my 4x5?

    Sorry, that was a long time ago. I remember buying the fresnel/ground glass from Edmund Scientific, but don't believe I ever knew the actual brand name. And when I tried to purchase a new one a...
  34. Re: Can you guys recommend any good replacement Ground Glass/Fresnel Lens for my 4x5?

    I used one of these dual ground glass /fresnel lens with a folding field camera for almost two decades, and it never warped, at least not enough that I could notice. At the time I was using the...
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    Re: Stitching scans or not???

    Peter,

    Some may may not be aware but there are two flavors of the Apo Rodagon D, the f/4 variety that is optimized for 1:1, and the f/4.5 version that is optimized for 2X. Both are superb...
  36. Re: Seeking recent thread about making color photos from black and white film

    I attached those instructions to a message to the LF forum back in May of 2009.
    https://www.largeformatphotography.info/forum/showthread.php?48583-Color-photography-with-black-and-white-film/page4...
  37. Defend the Darkroom: interview with Sandy King

    In the latest episode on Defend the Darkroom there is an interview with me, and illustrations with some of my work, all carbon transfer.

    https://www.facebook.com/defenddarkroom/

    Defend the...
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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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