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kirk_thompson

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Posts posted by kirk_thompson

  1. <p>So far nobody has mentioned the considerable advantage of using the New Protra 400 & 160 for BW. Their finer grain makes even better BW conversions than the previous NC/VC versions. In LR/ACR or in PS, you have a full set of sliders to adjust individual colors in relation to one another. It's like having a filter kit for BW, except that you can use each 'filter' for the appropriate part of the image: Instead of a Y or R filter, use the B slider to darken skies; instead of a G filter to lighten foliage, just move the slider. Each color-area can be shifted along the gray scale, independently. </p>

    <p>(Within reasonable limits – move the sliders too far & you start manufacturing noise.) </p>

  2. <p>I agree with Marvin. It probably has some worn parts in the film transport & shutter-cocking mechanism. The shop is only tinkering enough to make it work momentarily, so I'd stop sending it to them. It's worth a 'real' overhaul by someone who specializes in Rolleis & has a stock of parts for them (Krikor or Harry Fleenor). A bright viewing screen might be worthwhile at the same time. It's too good a camera to become a brick or bookend.</p>
  3. <p>It might just need a focus adjustment. The vintage camera repair person (vintage cameras, not vintage person) who works on my Rolleis says a substantial proportion of those he sees need focus adjustment.<br>

    Some repair people just eyeball the correct focus on ground glass. But for two 75-80mm lenses to be in sync, adjustment has to be done with a collimator that focuses a beam. </p>

  4. <p>I've been scanning Portra NC 160 on a flatbed scanner, but today tried some<br /> scans with an Imacon 848. My intention was to do minimal processing in FlexColor<br /> - I thought the FlexColor Portra 160 NC profile would yield adequate results for<br /> later processing if I just set the histogram correctly and then post-processed<br /> later in LR/PS.<br /> <br /> But the Portra profile didn't seem accurate enough to allow this simple<br /> treatment. The color was less accurate than my flatbed scans. I was especially<br /> bothered by overwhelming greens, when other colors came close to what I<br /> expected. I had trouble correcting them either with the FlexColor software, or<br /> later with PS. The scanner's owner checked me out, and we saw no incorrect<br /> settings.<br /> <br /> --Have others seen color anomalies with this combination of film and scanner<br /> profile?<br /> <br /> --I didn't have time to check & see: does the FlexColor RGB Standard profile<br /> perhaps give better results with Portra 160 NC?<br /> <br /> (Other than this color problem, I was a happy scanner. With sharpening/texture<br /> set at -120, the images looked much clearer than flatbed scans, yet didn't have<br /> the over-sharpness of FlexColor's default sharpening. In this respect they<br /> looked very 'photographic' to my eyes, which are still calibrated to<br /> 20th-century photo norms.)<br /> <br /> Kirk</p>
  5. <p>According to Phillips' 'Classic Rollei,' yes it will work on a T, & most other Bay I Rolleis. </p>

    <p>The question I'd ask is how this encumbrance could be more useful than a contemporary hand-held meter, for example the tiny & very accurate Gossen DigiSix?</p>

    <p>Kirk</p>

  6. It's interesting to know what films & film speeds were available in the 1920s, for Barnak to use in the early Leicas.

     

    But I wonder what they were in the 1930s 'golden age' of Leica photography - HCB, Kertesz, Brassai, etc.?

     

    In US, when did Kodak's 35mm Super X & Super XX first appear?

     

    I imagine the movie industry spurred film development & increase in film speeds.

     

    (Re: the note above, on how films were rated: it pretty much boiled down to ASA & DIN?)

  7. I'd have it cla'd & go right ahead & enjoy using it,pretending you're in Paris in the '30s. Some time ago I had one like this - retrofitted by Leitz with a RF from a later model - & found I could get the best results by viewing through a newer 50mm external finder. You'll love the flare - it's part of the image!

     

    Kirk

  8. Hi, Bruce -

     

    Right - and most folks don't seal the bags; but that's not really the point:

     

    The info is still pretty vague, & I wish you'd clarify. Where's the 'notice'? Have you seen

    the case in point & do you now how the paper was used, stacked, etc? Which version of

    HPR was it - single-sided HPR, coated on one side; or HPR Duo with images that would be

    bound as facing pages (that is, with the coatings facing one another)? It's really hard to

    tell if 'the notice' points to a real problem for photographers, given the way they usually

    handle & store their images.

  9. Dear Bruce,

     

    More info, please?

     

    If true this is bad news, because HPR is one of the best-looking & most widely used fine-

    art photo papers. The photographer-artists who use it believe they're making 'archival'

    prints - in spite of the fact that HPR contains a moderate dose of OBAs. The papers that

    have none at all, for example Epson's Ultrasmooth, don't look very good in comparison -

    as if they'd already yellowed.

     

    Out-gassing is a known problem with glossy & luster papers, but it's not a generally

    acknowledged problem when a matte print on 100% rag has been allowed to air-dry for

    24 hours.

     

    We don't normally stack prints on HPR, nor bind them. They're usually stored 'archivally,'

    without exposure to light, until they make their way into frames. Then they meet up with

    a 100% rag overmat & undermat, & with limited protection under glass or plexi. If they

    aren't going to be framed soon, then after their day of drying they go into clear plastic

    bags, which in turn go into storage boxes. The bags & boxes are marketed as 'archival' or

    PAT materials.

     

     

    Could you - or your source, the conservator - give us more information about the

    conditions under which something went wrong on HPR? If, for example, the prints had

    been stacked right after they were printed, that's just human error, not a problem with the

    paper.

     

    Kirk

  10. See the Luminous-Landscape site for reviews, both favorable & unfavorable.

     

    While Ellis states the point pretty boldly, he's basically right - you can indeed see the

    difference between profiles from 1700 patches & the Atkinson target with 4K patches. So I

    assume the differences would ne as obvious with even fewer swatches.

     

    A more general question: I've long been curious about why so many folks want to make

    their own profiles. If you've worked out a consistent style, you probably print on onlly 1 to

    3 papers (a work-print paper, an archival rag paper, & perhaps a luster paper for

    commerical uses &/or richer blacks).

     

    How often do you play with new papers? You can get useful experimental profiles - just to

    try out new papers/inks/printers - for $25 from InkjetArt, & the highest quality profiles

    from Andrew Rodney for $100. I never spend more than $2-300 a year on profiles this

    way, & if I bought a good profiling system (1700 patches) it would be obsolete long before

    I amortized its cost. Instead I'm getting latest equipment & technical expertise.

     

    I don't want to start an argument about this - I'm just genuinely curious!

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