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    Toho Extension Tube

    I have one of Steve Grimes extention tubes for my 450C on my Toho. Mine was made before he had a "standard"

    version. So it's shorter, just 3 inches long and hasn't a removable or multi-level...
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    Colorbyte vs. Colorburst

    QuadToneRIP has certainly gone through several stages and "home-brew" is probably right for the older versions.
    The latest Mac version supporting all the UltraChrome printers 2200, 4000, 7600, 9600...
  3. Calibration using 10 zones on a single sheet

    Hi Shilesh,

    The Stouffer stepwedge is a nice way to do it. It tends to be a little tight but I load a piece of film and then the stepwedge in front of it. Then, you have to expose at Zone X or...
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    LF Conference Thoughts

    I certainly enjoyed myself. Yes, many if not most of the seminars were filled to capacity. There were several last minute moving around to accommodate the crowds. But it just goes to show the...
  5. Hiking at the Don Kirby Anasazi Workshop

    I've been out with Don and Joan a couple of times -- not on the regular Anasazi workshop, I've been on a couple of llama backpack trips with him. Yes, he's fit and experienced with the backcountry...
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    Nikkor M 300 not sharp at infinity

    Shilesh, if you are finding the lens longer on the lens board than by itself, this is definitely a no-no. Element spacing is important -- (maybe it's more important at infinity than closeup for...
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    Nikkor M 300 not sharp at infinity

    Hi Shilesh,

    I've always had very good results with my 300-M so this is surprising. The lens is optimized for longer distances. Are you by chance using a thick lens board that is interfering with...
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