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  1. Replies
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    Re: Intrepid 4x5 as a permanent enlarger?

    How low a ceiling do you actually have? The Durst 138 enlarger chassis is highly desirable, even if it takes awhile to assemble all the needed extra accessories. If you're not doing color printing,...
  2. Re: Is it a linear progression between 90mm and 150mm?

    90 + 150 = 240. Divide that in two or average it, and you get 120 as the midpoint. Like I already noted, there are a number of lenses available in the 120-125 range to choose from. With 115, just a...
  3. Re: Tripods: Is Carbon Fiber worth the extra cost?

    It all depends. There are many brands of carbon fiber tripods and they're all over the map in terms of price and quality of build. For large format work you want something solid. For routine usage I...
  4. Re: Which labs still make traditional optical enlargements from 4x5 color negatives?

    Yes, E6 and C41 are film processes. RA4 is a print process, and can be achieved either via optical enlargement or scanning and laser printers. One generally has to do a little more in depth...
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    Re: Bellows for Phillips 8x10"

    Ditto. My recent enlarger bellows from Custom Bellows UK certainly resembles the same bellows material on my own Phillips 8x10.
  6. Re: Is it a linear progression between 90mm and 150mm?

    In real world usage, and in terms of commonly available lenses, a 120 to 125 focal length would be the most obvious halfway house between 90 and 150. I can't think of any 110 except the very...
  7. Re: Which labs still make traditional optical enlargements from 4x5 color negatives?

    Huh? The Darkroom still does C41 and E6 in the LA area, clear up to 8x10 film size, that is, in San Clemente nearby, and offers printing too. There are labs still going here in Norcal too.
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    Re: Cibachrome printing

    The unopened box of Ciba paper left in my freezer has probably developed too much crossover for reliable results; but someone wants it anyway for fun experimenting nonetheless. My P3 chemistry might...
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    Re: Stop bath with TF-5 fixer

    Cold mounting is now routine for color prints on smooth substrates like aluminum. As I already noted on an ancient post somewhere back on this thread, I did used to make custom laminates of aluminum...
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    Re: Stop bath with TF-5 fixer

    Just call Formulary for advice. I happen to use TF4 in combination with weak acetic acid stop bath. No problem. There's enough alkaline reserve to handle a bit of acid carryover. But it's mixed per...
  11. Re: Is it possible to heat mount fibre prints onto aluminium?

    What was that all about ? Somebody had to think about it for two and a half years? First time I've ever heard the word, chutzpah. Some kind of insult, I guess. In any event, museum display...
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    Re: getting glass CLEAN, how do you do it?

    Hmmm ... There are still some Raiders fans in this area. They tend to drink solvents outlawed anywhere except at the racing pumps at the Bonneville Salt Flats.
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    Re: getting glass CLEAN, how do you do it?

    Another problem will be if the glue outgasses between the elements when curing. You'll want to do a preliminary test on something else analogous first. Regarding solvents, ordinary hardware or paint...
  14. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    I prefer to use an ordinary 125 Fujinon W (or NW) to something like a 120 Super Angulon for general use on 4x5, not only because it's a much lighter lens, but because there's way less falloff and...
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    Re: Trying out Chromium intensifier

    Just be aware that ordinary pool supply or hardware store muriatic acid is still plenty strong enough (around 18% hydrochloric solution) to destroy your lungs if you spill it in an unventilated...
  16. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    Retrofocus would apply mainly to SLR's. But if the lens design is similar, apples to apples, the format size won't make much difference relative to angle of view unless image circle movements are in...
  17. Re: ART/ARCHITECTURE; Chuck Close Rediscovers the Art in an Old Method

    It gets even worse. When I was researching heavy-metal dye mordants, I was surprised at all the nitpicky paperwork potentially involved, and learned that it was because idiots had begun smoking...
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    Re: getting glass CLEAN, how do you do it?

    Lenses are easy. What about multiple sheets of big enlarger glass? Q-tip is of no value there.
  19. Re: ART/ARCHITECTURE; Chuck Close Rediscovers the Art in an Old Method

    I didn't know about the Woodbury types, but that is one of the processes I discussed with them about reviving in some more modernized fashion, specifically by laser-etching epoxy blocks. But there...
  20. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    35mm wide angle lenses do have equivalent falloff, Alan. I personally hate that Natl Geographicky look. Falloff is more noticeable with chrome film simply because chrome film has more native contrast...
  21. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    A densitometer with actual film works better for checking, unless one has a film plane probe meter that will get clear to the corners. But what I do first, just to detect for falloff, is overdevelop...
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    Re: getting glass CLEAN, how do you do it?

    That's why I don't use a cloth! (lenses and filters being the exception)
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    Re: getting glass CLEAN, how do you do it?

    Hmmm. During my wife's previously biotech career, she had access to lots of nearly pure methyl alcohol. It was an incredible cleaner, which not even any kind of 90% alcohol solution would be, but way...
  24. Re: ART/ARCHITECTURE; Chuck Close Rediscovers the Art in an Old Method

    He's been seriously physically handicapped for quite awhile now, and that factors into his ability to still paint or not. But I tend to get bored with just one self-portrait after another. Many of...
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    Re: getting glass CLEAN, how do you do it?

    Well, I guess we're all still all looking for that silver bullet. I made out pretty good yesterday. Just one tiny speck on all of my 8x10 contact separations, which will easily spot out. Got quite a...
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    Re: getting glass CLEAN, how do you do it?

    I go through this hell multiple times a day. The worst is when making multiple registered sheet film color separations and masks involving meticulous cleaning of both glass and film over and over...
  27. Re: ART/ARCHITECTURE; Chuck Close Rediscovers the Art in an Old Method

    Some of those get selected for huge scale reproduction by various novel means, done in this area. I was marginally or peripherally involved in a couple of those projects in terms of how-to...
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    Re: getting glass CLEAN, how do you do it?

    You need to get all the dust off in the same cleaning step. The harder you try afterwards, the more you'll just get back on. A few inevitable bits can be blown off; but basically, you don't want to...
  29. Re: Really long lines to get into Yosemite & Kings Canyon this week end

    I miss the hills. While everyone was going crazy looking for Snow Park spots up the road, I'd be exploring the lower Kings with nobody in sight for miles. At the moment, I'm too miserable with...
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    Re: getting glass CLEAN, how do you do it?

    If you want to pay for it, Edmund Scientific can source you the same kinds of products lens manufacturers use. It's a paint-on peel-away product, obviously not for routine glass use, but for that get...
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    Re: Too good to be true?

    Does it come with free Mickey Mouse ears?
  32. Thread: Copal sizes

    by Drew Wiley
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    Re: Copal sizes

    You need to be more specific about exactly which 300's you're comparing. Just because something has a smaller shutter does not necessarily mean it has less coverage.
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    Re: Chamonix vs. Xxxxx?

    Color shift in the corners is inevitable with a film of that high a contrast. Whether that looks attractive or doesn't all depends. It might be better to just let the falloff go toward black if a CF...
  34. Re: Nikkor-T 360mm / 500mm / 720m: 500mm at full aperture with 4x5 film, how good?

    It's no dog. But it certainly wasn't engineered for full aperture usage. Nor were any of these. I'm not a tele user myself, but do know people who have had exceptional outdoor photography careers...
  35. Re: Nikkor-T 360mm / 500mm / 720m: 500mm at full aperture with 4x5 film, how good?

    Bernice - those old chrome Tele Xenars weren't fully color corrected, so not the best idea if someone has color film shooting in mind as well as b&w. My brother used em.
  36. Thread: Ghost Dance

    by Drew Wiley
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    Re: Ghost Dance

    So it was not a recording of an actual event, but by an ethnographer later. I spent a lot of time searching for where the Ghost Dance transpired in my own neighborhood in the 1870's, and tentatively...
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    Re: Camper Van Suggestions in 2021

    The places I've seen RV's broken down all over the West, oh my, my, my ... There's nothing quite like being towed down a desert highway and spending most of your vacation in a Motel Six in miserable...
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    Re: Chamonix vs. Xxxxx?

    Read the "fine print" on that particular Schneider lens, Bob. I was following official specifications!!! The rest was completely tested, no guesswork. So I can most certainly tell people what I know...
  39. Re: Pentax Digital Spot Meter battery/storage

    Well, as a potentially extreme condition, I'd point out just how fast salt water or ocean spray can corrode materials and electrical contacts in a manner ordinary water cannot.
    Anyone who owns a...
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    Re: Chamonix vs. Xxxxx?

    I knew you'd contradict that, Bob. But not only did I do a lot of expensive commercial shoots that way, but have made extremely detailed 30X40 inch Cibachrome enlargements of such shots - a far...
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