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    Re: Christmas in the Big City

    Complete lockdown imminent, John. No travel, though there are no restrictions on local trails except common sense distancing, which is easy. But neighborhood homes are doing their usual thing with...
  2. Re: Albumen Print Toning Color Shift Examples

    What has messed up many of Watkin's prints is moisture-related mildew foxing. What makes his remaining big albumens so specially valuable is that most of them were destroyed in the 1906 SF earthquake...
  3. Re: Diffraction. When does it really matter with LF?

    Gosh. It's been a couple decades since I've bumped into to Mark. Some well-known 4x5 landscape photographers routinely use f/32 because it provides enough depth to generally make up for film sag or...
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    Re: Afghan box in Afghanistan

    Well, I wasn't trying to detract from the dignity of the old man with the camera. Somewhere I've got a picture of my uncle beside the King of Afghanistan, the king prior to the one in the link. My...
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    Re: Afghan box in Afghanistan

    Certain people worked after hours in the company cabinet shop or mill, and stumbled onto it. He got booted after that. In fact, one of the supervisors volunteered to do the janitorial himself until...
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    Re: Afghan box in Afghanistan

    Well, wooden box cameras are still being made, so that kinda undermines the stereotype. But the name Haji unnerves me. There was once a janitor by that name at my workplace who used the toilet bowl...
  7. Re: Diffraction. When does it really matter with LF?

    For all practical purposes, most modern large format lenses are very well corrected relative to typical applications. It's a tougher climb trying to squeeze the same amount blood out of tiny cherry...
  8. Re: Diffraction. When does it really matter with LF?

    That's not correcting diffraction, just reducing or avoiding it. If you need a small aperture, you need a small aperture, and diffraction comes with the territory.
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    Re: Darkroom cooling/air conditioning options

    An isolated outdoor conditioner pump connected by tubes to an indoor unit will be light proof, a window unit won't.
  10. Re: Diffraction. When does it really matter with LF?

    Mark - Diffraction affects different wavelengths differently. I discovered this long ago in reference to the setting sun over sharp ridges where there is extremely clean air, first at Comb Ridge in...
  11. Re: Diffraction. When does it really matter with LF?

    Good assessment, Adam. But to the above options, you could also add that diffraction is just another potential tool, to either employ or set aside according to the specific goal in mind, with...
  12. Re: Diffraction. When does it really matter with LF?

    From my own practical needs, I try not to go smaller than f/32 for 4x5 format, or smaller than f/64 with 8X10 film (or smaller than f/45 if a large print like 30X40 inch is in mind). Obviously, I'm...
  13. Re: Albumen Print Toning Color Shift Examples

    Although I have collected some lovely antique albumen prints, I can't directly answer your question. But I do routinely use gold toner for ordinary silver prints, and it's actually quite affordable....
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    Re: glass neg carrier

    A cardboard cup doesn't even work for coffee. What is an "average enlargement ratio"? Sounds like lukewarm coffee. Why bother? Do it right the first time.
  15. Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Hi - Just the other day I printed a couple of masked pyro-stained 8x10 negs with my VC blue-green cold light + blue filter for boosted contrast on VC paper. The two sheet method with my new ScanTech...
  16. Re: Diy tripod, plans, advice and links to plans please

    Doing it right is harder than you might think. Unless fiberglass-clad, lots of wood legs get stuck when swollen with water or frozen. Better survey tripods are fiberglass-clad over poplar, giving...
  17. Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Lens performance has incrementally improved. Given a few steps down the line, the difference can indeed be seen in print, but only if all other things are properly calibrated and so forth. I use a...
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    Re: Heiland masking/registration system

    That page has been there awhile. It's nice to know an option for custom registration gear is now available again, long after Jens bought out Condit, and then dropped the ball.
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    Re: Metal darkroom trays ?? Advice needed

    Eric - trays have to be as long as wallpaper rolls are wide. Just do a search. They used to be available in four and five foot widths, maybe six feet too. Wallpaper is not as popular as it once was,...
  20. Re: How To Properly Clean/Restore Metal Parts?

    First identify the specific kind of metal. Magnetic or not? Brass, nickel-plated, what? Actual rust or some other kind of tarnish? Most hardware stores carry things like brass polishes, aluminum...
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    Re: Metal darkroom trays ?? Advice needed

    Galvanized is a big no-no. The correct material is a 300-series stainless steel, which would cost you hundreds of dollars apiece custom made. Plastic wallpaper trays are about that size and dirt...
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    Re: Recognizing dagor type G-Clarons

    Dan - you have to understand the manner in which their specs were geared to their own idea of intended market application. Because the G-Claron line was repro-application derived, they followed that...
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    Re: How Much Have We Accomplished?

    I take a few shots every week with various formats. Just got done printing a couple of masked 8x10's negs from last week. Plenty to do. Should probably get back to the salt mines of drymounting...
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    Re: Recognizing dagor type G-Clarons

    My experience is with the final Kern dagors that Schneider marketed. The double-triple G-Claron was already in the rear view mirror. They distinctly told me that dagors in general were too tricky to...
  25. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    Bernice, what I would personally refer to as "clinical" in my own set of Apo Nikkor dialytes is that the out-of-focus blur or "bokeh" is rather busy and not nice and soft like my older Zeiss tessar...
  26. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    There are all kinds of different paths to optical design. But in our mortal realm, cost efficiency is always a factor in manufacture. We aren't the real large format photographers with real money...
  27. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    Stopping down somewhat is critical to overcoming film holder variables, esp film sag. I use precision holders if the image might warrant significant enlargement like a 30x40 inch print. But that's...
  28. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    Jason - I've pretty much got all the camera lenses I need, and obviously don't design them like you do. At this point in life I'd be happy with just a good used phase contrast trinocular microscope....
  29. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    You don't see many examples of aspherical lenses in ordinary cameras because they are so darn expensive to make except in moulded plastic version. Up the road from me, it's a multi-billion dollar...
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    Re: Deardorff Specials

    As I recall, they were basically a 5x7 camera with a revolving 4x5 back. A regular VH 5x7 back was optional.
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    Re: nega 138 help

    That carrier has some kind of distinctly non-factory DIY conversion, adapted to some other application. You'll have to re-adapt the positioning.
  32. Re: "Camera Work" A Photographic Quarterly. Online

    Some insanely iconic images. The ads are interesting too. Pyro, color checker charts, vintage cameras, even drymount tissue. I'd imagine any intact issues would auction for quite a high price.
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    Re: How do sellers handle paper age?

    Dealer or distributor policy is dicey at best. I've seen 30 year old paper still for sale, and not even discounted. If anyone ever buys it, it won't be much good. Should have been liquidated long...
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    Re: glass neg carrier

    Plexi doesn't take heat well without buckling. It's also electrostatic, so attracts dust. I of course use ground translucent white plexi diffusers above the top glass, but that is a different...
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    Re: glass neg carrier

    I just got some custom-sized AN carrier glass from ScanTech in LA. Nice looking product, but it will still be a few more weeks before I get a chance to test it with my 8x10 cold light enlarger. I...
  36. Re: Suggest a place that can make some developing tubes

    Ditto. Just get some short sections of dirt cheap ABS drainage pipe. But one thing others haven't mentioned is that you need to scrub them well before use, including the caps.
    ABS manufacture...
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    Re: Good light lens for 8x10

    Part of Kerry's stipulation is that a backpacking lens also be capable of using a small 52mm filter, which would eliminate some excellent choices needing slightly bigger filters. Therefore I wouldn't...
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    Re: Mido holders scratching film?

    30 times? Yikes! That looks like a Mido I holder, which was made of very thin material capable of heat buckling and touching the film. I never got along with those; but the Mido II clamshell style...
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    Re: glass neg carrier

    My Omega enlarger was made forty years before that time. The colorhead fan pooped out, but the chassis and neg carrier - all the mechanical stuff - still works fine. I have other enlargers, so never...
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    Re: Good light lens for 8x10

    I've done a lot of LF photography in the mountains, both 4x5 and 8x10, up to a hundred miles at a time, PLUS all necessary gear and supplies in the same pack too. And now in my 70's, finding ways to...
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