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    Re: De Ionizing Air gun?

    What the heck do you think a true clean room is comprised of anyway, Michael? There is no forced air heating. It's passive electric. There are no sins or chemicals in there. The countertops are...
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    Re: Fujichrome Velvia 50 ISO

    This needs to be linked to previous threads with the identical question.
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    Re: De Ionizing Air gun?

    Once old, those Kostiner brushes lose their treatment, and might as well be just any other soft-bristle lens brush. They never get negs REALLY clean either, suitable for serious enlargement. There...
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    Re: White Rim Road

    Heck, huge turbines were once driven up roads blasted across the faces of cliffs in my neck of the woods so marginal in clearance that you can still see the scrapes of the sides of the rocks from...
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    Re: How not to drill a lens board

    Sinar OEM boards are indeed quite resistant to drilling due to being seriously die-cast. No telling with generic Horseman-Sinar boards; but I don't fool with those because they often don't actually...
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    Re: Fujinon 125mm f/5.6 W (old version)

    Convenient unless you have to accommodate two weeks of mountain gear, food, and supplies in the same pack as your camera gear! At that point, especially as one gets older and can't carry a 90 lb...
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    Re: How not to drill a lens board

    Superb drill bits and many other instruments were once made by flaking rocks. And if incorrectly used, and your lensboard is not securely enough clamped in place, a big fly cutter can indeed be as...
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    Re: Fujinon 125mm f/5.6 W (old version)

    The conventions of what comprises a usable image circle also varies somewhat. Schneider tends to be conservative, Fuji a bit liberal in that respect. But it also has certain shifts in precise...
  9. Re: Fujinon 180mm. f/9 - Curious about some specs.

    Let me guess. I probably need to revise something for sake of compliance with the Nitpicky Bureau of Largely Irrelevant Standards. The GC actual effective focal lengths (vs advertised) runs like...
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    Re: How not to drill a lens board

    Alas, a drill press or milling machine works so much nicer than a lawnmower or hedge trimmer!
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    Re: Fujinon 125mm f/5.6 W (old version)

    Even the previous W (or NW in the literature) series of 125 came in three different filter sizes, all smaller than the funnel front 67mm of the CMW. But I specifically sought out the 52mm version to...
  12. Re: Fujinon 180mm. f/9 - Curious about some specs.

    Schneider and Rodenstock did make available both head-on and tangential MTF charts at various f-stops for some of their lenses, which was sometimes helpful making choices between lens options. But...
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    Re: Fujinon 125mm f/5.6 W (old version)

    Flare itself can be a creative tool. But you are sure right about having too much of an image circle, Bernice. A common example would be my love of the 450 Fuji C on both 8x10 and 4x5 film. But with...
  14. Re: Fujinon 180mm. f/9 - Curious about some specs.

    Roadhouse, wider aperture optimization is rarely a priority in large format applications for a number of reasons, including the need for making the most of image circles for sake of movements, unlike...
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    Re: Butane for developer preservation

    What if you lost your marbles? I think that's a given, due to how certain non-inert gases have been brought up. One spark, and there go not only all your marbles, but their former "container" too.
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    Re: Inkjet printing larger than 64"

    Bruce - there is no such thing as a pigment ink printer. No set of consistently real pigments would squeeze through those tiny programmable nozzles. That's the limiting common-denominator priority...
  17. Re: Fujinon 180mm. f/9 - Curious about some specs.

    Nonsense! - A's are SUPERB all the way from around 1:2 clear out to INFINITY - actually better than most general purpose plasmats even at infinity. I've relied on that fact for many many many shots...
  18. Re: Fujinon 180mm. f/9 - Curious about some specs.

    Depends what you're doing. Designing lenses this focal length with the largest aperture of f/9 rather than f/5.6 means that most potential problems are already cropped from the image circle, and by...
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    Re: White Rim Road

    Zion itself has three distinct sections with different access roads, plus relatively quiet alternate trails. But one does have to be conscious of access issues once it starts snowing. I've been in...
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    Re: Butane for developer preservation

    A new vaping kind of addiction, Peter?
  21. Re: Using a Neutral Density Filter on a Rear Lens Element

    The bigger irony is how that Benro gadget is way bulkier and more cumbersome than simple front-mounted adapters. Plus it screws up normal optical distance logistics. Kinda like selling square auto...
  22. Re: Using a Neutral Density Filter on a Rear Lens Element

    What on earth does that Benro gadget have to do with LF camera technique? If it hypothetically could be adapted to fit, there is still the question of filters behind lenses not being a very good idea...
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    Re: Schneider 135mm APO coverage

    I never thought much about the 135 focal length until I started shooting a Fuji roll film RF with a fixed 90mm lens on it, and gradually became comfortable with it, and appreciated the angle of...
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    Re: Schneider 135mm APO coverage

    Clean used examples of Fuji multicoated 135's turn up from three similar generations of them, and all would be excellent. The "latest and greatest" CMW, however, does have one potential liability -...
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    Re: Schneider 135mm APO coverage

    I realize it would be breaking rank with your Schneider theme; but if it were me, I'd consider a 135/5.6 Fujinon right up front. It is likely to have a larger image circle (76 degree angle of view @...
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    Re: Point Reyes Advice?

    There are numerous tree tunnels in Pt Reyes, but most of them are natural and up atop cloud forest ridges, magical spots, but involve a distinct amount of uphill hiking, pretty much full afternoon or...
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    Re: Inkjet printing larger than 64"

    Stitching big transparencies together is especially tricky because the laminate material itself has a totally unforgiving permanent acrylic adhesive. Not like wet mounting, where the biggest risk is...
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    Re: Fujinon W 360mm

    Lots of confusion with the labeling as well as some of the old price lists. My 1982 brochure calls everything in that particular series up through 250mm NWS, but the 300 and 360, still WS. But...
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    Re: Point Reyes Advice?

    Note that specific tide timing can vary depending on specific location, and thus there will be multiple listings for the same general area. There are only a few spots where you have to worry about...
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    Re: Fujinon 125mm f/5.6 W (old version)

    NO - I wouldn't see the difference, nor would anyone else, including you, at least where it counts, in the end result itself. That's sheer BS, and basically Europhile prejudice, manufacturing-wise. ...
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    Re: Inkjet printing larger than 64"

    Apprentice to a master wallpaper hanger. Not much difference. But wet mounting is an acquired skill best consigned to a framing shop that already has the skills and equipment, like a huge vacuum...
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    Re: Point Reyes Advice?

    Tom - Alamere Falls would require a whole day itself per round trip, and be unrealistic with 8x10 unless one is truly an 8x10 style backpacker. It's also a crowded trail at times, though perhaps not...
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    Re: Fujinon 125mm f/5.6 W (old version)

    Huhh ???? How ancient of a lens are you speaking about, Rod? I admittedly only have experience with MC ones, and they're VERY contrasty and superb with respect to saturated color, almost over the...
  34. Re: Color separation negatives - CMYK no digital?

    Inkjet printing is an entirely different ballgame, Neil. It does not involve process colors at all, but very complex programmable combinations of pigments, dyes, and lakes with the priority being...
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    Re: Point Reyes Advice?

    Well, the classic tree tunnel to the Coast Guard radio station is a cat out of the bag, and attracts cell phone shooting crowds some days. And the secret is just enough fog to soften the light on the...
  36. Re: Color separation negatives - CMYK no digital?

    The basic problem is that most pigments sets are too opaque to allow strictly CMY workflow if you need a deep pure black. It CAN be done in tricolor carbon - I've seen it - but even with pigments,...
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    Re: Pentax 1 / 21 Spotmeter

    It might be the PX28 little barrel size in common with that whole series of spot meters down the line. But different brands nowadays tend to have different marketing numbers with the PX28 in fine...
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    Re: Point Reyes Advice?

    I have been going out there once a week in summer for decades, often in winter too. Weather can be either calm and mild or stormy on any given day, this time of year. And there's been a fair amount...
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    Re: Polarisation Filter

    Amen. Habits which many find perfectly adequate for their own purposes, I happen to find abominable with respect to the significantly greater degrees of magnification in larger prints which often...
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    Re: Latest Video With My 8x10

    Kind of you to share that. Is that a Canham 8x10?
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