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  1. Re: Is it a linear progression between 90mm and 150mm?

    Cat hair ain't so good for camera gear. And fleas ain't so good for me. All outside are basically kittens; even the mom and pop are less than two years old. But the indoor cats are now all old. A...
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    Re: Flat Field Focus on LF Lenses?

    Not necessarily if you classify duplicating lenses among enlarging lenses, since they are potentially mounted on enlargers, and tend to be tweaks of similarly named series, for example, Apo Rodagon D...
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    Re: Ball or Pan-tilt head for 8x10?

    I just do it spontaneously. Don't even think about it. Someone would probably have to watch me, and then it would be obvious. Helps that my father was a surveyor on his first Govt job, and taught me...
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    Re: T-Grain Developers

    About all I can add to this discussion, is that since I don't scan film, but print it directly, I should keep my mouth shut and not speculate at all. But other than very minor divergences in grain...
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    Re: Blackbirds are Back

    As a kid, the owner of a table grape vineyard paid me a penny a blackbird and gave me the .22 ammo. Both me and a friend made ten bucks apiece two days straight. That's a hecka lot of dead birds....
  6. Re: Best way to ensure appropriate DoF in interior shots?

    Richard - that's how I do it 100% of the time. I don't know what all the other fuss is about. But I never focus halfway between anything - there is always some critical plane I want in precise focus,...
  7. Re: Is it a linear progression between 90mm and 150mm?

    More lenses means just more stuff my heirs have to figure out how to get rid of. Even one more lens means me getting kicked out of the house and sleeping on the front porch with the cat.
  8. Re: Is it a linear progression between 90mm and 150mm?

    I've never used a cutout card in my life.
  9. Re: Is it a linear progression between 90mm and 150mm?

    A lot depends on the objective. With a personal landscape shot, I'm apt to compose it with whatever best-fit lens I happen to have along, from whatever spot simply feels the best. With a commercial...
  10. Re: Is it a linear progression between 90mm and 150mm?

    Just the notion of cropping from a wider image instead of framing with a longer focal length lens. Nice in theory or conservatively applied, but not always practical in terms of real-world...
  11. Re: Is it a linear progression between 90mm and 150mm?

    But all things might not be equal when it comes to illumination falloff or image distortion, Corran. Longer lenses make sense for more reasons than just perspective.
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    Re: getting glass CLEAN, how do you do it?

    TSP is illegal to pour into drains due to the relation between phosphates and algal blooms, and is illegal to even sell in this state. Most "TSP" is now actually metasilicate if you read the fine...
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    Re: T-Grain Developers

    There are slight differences in curve structure and grain due to different developers and how much they are diluted, agitation, time, etc. But all ordinary developers work well with all these films,...
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    Re: Ball or Pan-tilt head for 8x10?

    Find me a torpedo level that is actually level. Yes, I have a couple of them, truly precision machined. But you can't walk into Cheapo Depot and find something like that. No big deal. Film almost...
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    Re: Hetland School

    Glad you got the shot, cause not many will be standing for much longer. You still sometimes see old schools like that out in Mormon sagebrush too.
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    Re: Ball or Pan-tilt head for 8x10?

    The bullseye levels I see on camera store and studio shop leveling devices are a joke. Do y'all know how expensive a true machinist grade one is, or how difficult it is to attach truly flat unless...
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    Re: Ball or Pan-tilt head for 8x10?

    Nice video. Don't see how it has much relation to far bulkier view camera applications, unless maybe ultralight 4x5. Even that flick setup for 35mm panos, plus bowl adapter and quick releases, would...
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    Re: Favorite Current 8x10 B&W Film?

    I use several options, often depending on what's leftover from lab usage. But for shooting in the field, my current favorite 8x10 product is unquestionably TMY400. Very long scale that will resolve...
  19. Re: Is it a linear progression between 90mm and 150mm?

    From a practical standpoint, the lens manufacturers already plotted this for us in terms of their given focal length selections in any given series. They mainly made what was in demand, and the...
  20. Re: Tripods: Is Carbon Fiber worth the extra cost?

    One warning about going too light. It makes the whole setup rather top heavy, and more susceptible to wind tipover, and to having difficulty with stabiiity on mossy spongey ground. There's simply no...
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    Re: Cibachrome printing

    Maybe I'm just really jealous of his custom made camera.
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    Re: Cibachrome printing

    'Goodbye Cibachrome"... more like, "goodbye common sense". Bare handed, no respirator, fooling around with sulfuric acid bleach.
  23. Re: Which labs still make traditional optical enlargements from 4x5 color negatives?

    Magnolia is an Alt process lab which did a lot of special experimentation, especially involving scanning and laser etching, which has nothing in common with this particular thread. In recent years,...
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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,...
  25. 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...
  26. 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...
  27. 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.
  29. 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...
  30. 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...
  34. 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...
  37. 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...
  39. 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...
  40. 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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