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    Re: How to shorten a Sinar rail?

    Right, Bernice. Steel-cutting carbide blades are a very different kind of carbide with a negative rake angle. And they're not supposed to be made in common wood mitre box sizes either, with similar...
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    Re: How to shorten a Sinar rail?

    Jet also has a very nice small milling machine, the Hobby Milling Machine, around the same price. It came onto the market long after most of my own projects were finished, but I've had a...
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    Re: How to shorten a Sinar rail?

    Les - the rail contains steel. A table saw would be dangerous in any event. That's how people lose a hand or eye or worse. Steel can be cut if firmly clamped into a "chop saw" with either a...
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    Re: How to shorten a Sinar rail?

    If you just have to do it, visit a machine shop unless you have the right equipment.
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    Re: RA-4 Chemical Recommendations

    I've interchanged between Kodak Ra/Rt and Arista or their Silver Pixel kits even in the same session. They all seem to work identically; good quality. Just make sure you're getting the right kit....
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    Re: Yellow, Orange, Red Filter Factors?

    Lee polyester quality control is on the so-so side. But even if those figures do apply to one kind of film, they might not to another. Not all pan films have the same spectral response. It's a broad...
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    Re: 450 mm Nikkor-M vs. Symmar-S 480 mm

    Just depends on your intended "look" in portraits. But for me, process lenses are simply too harsh or acutely sharp and contrasty for portrait versatility, at least for women. That's why I...
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    Re: 450 mm Nikkor-M vs. Symmar-S 480 mm

    Argue if you want. I work with em both, have done test mockups with both. "Flat field" in this instance refers to apo repro screen standards themselves for precise dot shape, as you should very well...
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    Re: 450 mm Nikkor-M vs. Symmar-S 480 mm

    It's related to several factors. As magnification increases, the image circles of course increases, regardless of lens. But with the specialized plasmats, you're starting out with a bigger image...
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    Re: 450 mm Nikkor-M vs. Symmar-S 480 mm

    Gotta disagree with Bernice a little bit. Tabletop work often involves strong front tilts, and the combination of a big image circle and superb close-range correction in a Fuji A or G-Claron really...
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    Re: Yellow, Orange, Red Filter Factors?

    Everything depends on the specific film in question. So yes, the manufacturer's tech sheet for that specific film is generally an excellent starting point. But then, filters vary a little between...
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    Re: Film in freezer

    I once had a huge desiccation chamber for a different purpose. It sometimes doubled for this kind of application, but BIG expensive graphics film to the freezer, and not this kind of ordinary thing....
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    Re: Monorail vs. Folding Camera Weight

    By using the top compartment of my external frame pack, I can just pull out my Sinar monorail fully equipped and ready to go, even with any lens on it if I wish, even with an 18 inch rail and...
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    Re: wildfire season already

    There are a lot of pioneering species, both animal and plant, eager to take advantage of more open conditions. Those dense dead pines were largely a monoculture which sprouted up after the intense...
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    Re: 450 mm Nikkor-M vs. Symmar-S 480 mm

    Symmar S is actually an older design. It's not going to be quite as sharp, but nobody will begin to notice that minor distinction on any kind of enlargement from 8x10 format. What will be...
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    Re: Newcomers to LF: First Read The Book

    AA's old series is useful for its sample pictures and illustrations. The information has been periodically updated, but is inevitably obsolete in certain aspects. It's pretty simple if someone takes...
  17. Re: Looking for advice/guides on digital to film (not inkjet)

    Yes, what Oren just described would be the ticket if you want as much faithful detail as possible on a sheet of film. But you'd probably have to pay for a few practice runs just to understand how to...
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    Re: Film in freezer

    I never re-freeze film once it's thawed and the original packaging unsealed. Moisture can be sealed back inside too unless you are careful. I'm not in a dry climate, so bought a little freeze-dry...
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    Re: wildfire season already

    On a extended quickie loop trip necessary to sign some documents I visited "ground zero" of the monstrous Creek Fire last summer, and even camped there last night. From a distance everything looks...
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    Re: wildfire season already

    Update. We're now official in red flag conditions comparable to October - first time ever, by a country mile. Several spot fires have already broken out, one ironically caused by a man using his...
  21. Re: COMPARISON: Fujinon W 250mm f6.7 & Fujinon A 240 f9

    Among Nikkors in that range I use the 200 M, not a W, for 4X5, which is a lot smaller to pack, and has excellent optics. But I sometimes substitute a 180 Fuji A in that general focal-length range. My...
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    Re: 8x10 carry options

    People who know about these things are those that have carried serious gear themselves for decades. REAL backpacks were once made that way. Now they're made in China. Even the way smaller shoulder...
  23. Re: COMPARISON: Fujinon W 250mm f6.7 & Fujinon A 240 f9

    I've owned all three : 250/6.7, 240/9A, 250/9GC - all wonderful lenses. All cover 8x10 reasonably stopped down. The 250/6.7 obviously has a little bit brighter viewing wide open, is itself in a...
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    Re: 8x10 carry options

    Same thing with the Headless Horseman, John. Of course, his head got shot off by a blunderbuss instead of a shotgun, and he was toting a Horseman camera instead of a Dorff.
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    Re: 300mm lens 4x5" landscape

    300M Nikkors are easy to find at the moment, especially from Japanese dealers who list on EBay.
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    Re: wildfire season already

    An older fellow who had once been head photographer for the US Navy, and wanted to me to partner in his studio back East, had been shot down three times in choppers in Vietnam while on documentary...
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    Re: Color paper storage in refrigerator

    Well, I had to skip color printing the whole last year because I didn't want to have any kind of potential respiratory irritation added to covid risk plus what was far worse in that respect, our...
  28. Re: Availability of Fujichrome Velvia 50, 4x5 sheet film

    At least the processing options for E6 are becoming more price-competitive here on the West Coast, along with the revival of Ektachrome itself, which seems to be driving that. I don't worry about it...
  29. Re: Are Daguerreotype Included in Wet Plate Threads

    Ask the Mad Hatter, .... It's a "mercurial" craft.
  30. Re: A starting-point guide to Marshall's spotting dyes and Ilford Warmtone Fiber

    Good one. But I prefer ultimate DMax. That's easily achieved with test strips by leaving them in my little toaster oven too long.
  31. Re: Availability of Fujichrome Velvia 50, 4x5 sheet film

    Velvia 100F is a better product in my opinion because the sheet version is made on a far superior dimensionally-stable polyester base (versus acetate). But I know that there are some who prefer the...
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    Re: wildfire season already

    Your camera would have melted into a ball around our forest fires here, or more likely, been vaporized. The fire crews bulldoze breaks, clear brush, and sometimes set backfires several miles from the...
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    Re: Color paper storage in refrigerator

    Don't put it back in the refrigerator unless you know how to totally seal it nearly air-free. That's a condensation risk. If it's a small paper size, one of those freeze-dry kitchen bagging systems...
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    Re: 8x10 carry options

    I don't lay down packs on the dirt. If there's not a tree or rock nearby to rest it on, I simply use one of my trekking poles at an angle behind it as a support. But that works well because it is...
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    Re: 8x10 carry options

    But are there still 10,000 clamshell cameras still in use to prove that postulate?
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    Re: 20x24 enlarger easel options

    Do you mean 24X30 paper size or overall easel outside dimension?
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    Re: New De Vere 5108 Owner

    Lucky find ! But maybe it was there because chickens do darkroom work cheaper than humans. Or perhaps they contribute something special to the developer. Albumen prints perhaps? It looks beautiful.
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    Re: wildfire season already

    I never fought fires professionally. Back then, every able body was expected to pitch in some manner. That was called survival, just like community controls burns themselves, before those got...
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    Re: wildfire season already

    As a teenager, I survived an arson forest fire over 400,000 acres in size. Many of my classmates were homeless afterwards. Things were classified a little differently back then, according to single...
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    Re: wildfire season already

    Yeah, I saw the 30X40 prints of those back when they were first all displayed together at the local museum, including that classic "burning bush" one. Friends of mine printed them for him. A...
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