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  1. #1

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    Xenar 135/4.5 ca. 1928, bought in greed bout... a real gem! :)

    Hello friends,

    finally I got some time to give my old Xenar a try... Ilford Delta 100, again, souped in Ilfotec-HC 1+47. Hot light, 1/15s, f/8-11. My dear friend Lesha, again - now in some different interiors, our dry sterilisation room

    I really like how this lens works in portraiture - well, I am yet to try it on other subjects Soft shadows, plenty of sharpness, excellent skin rendition... looks like the lens was built to last

    Maybe I'm wrong with posting my pictures in LF subdivision? They definitely belong to the gallery, but now my APUG subscription is over, and I can't use galleries and classifieds as well... and for me in Russia, there's no imaginable way to pay So imageshack would be a good solution.

    Picture 1

    Picture 2

    Cheers, Zhenya

  2. #2
    Ole
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    Quote Originally Posted by eumenius
    Hello friends,
    ,,, but now my APUG subscription is over, and I can't use galleries and classifieds as well... and for me in Russia, there's no imaginable way to pay ...
    What? Already???

    Allow me to remedy that.

    -- Ole Tjugen, Luddite Elitist
    Norway

  3. #3

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    Quote Originally Posted by Ole
    What? Already???

    Allow me to remedy that.

    Ole, nice of you to do that..we must keep Zhenya active, you never know what lens he will get next

  4. #4

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    Dear Ole,

    if it's okay, I would be very obliged for your remedy of this problem - thank you very much, that's so kind of you

    In meanwhile, how did you like the pictures this old Xenar is capable of? With every old lens I get, I keep wondering how these were calculated and made without any computers...

    Cheers, and much thanks - Zhenya

    Quote Originally Posted by Ole
    What? Already???

    Allow me to remedy that.


  5. #5
    PhotoJim's Avatar
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    I liked the pictures a lot. These old lenses have a lot of character.

  6. #6
    Ole
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    Quote Originally Posted by eumenius
    In meanwhile, how did you like the pictures this old Xenar is capable of? With every old lens I get, I keep wondering how these were calculated and made without any computers...
    Of course they used computers! The Petzval lens was calculated by Petzval, assisted by a team of "computers": A corporal, and six artillerists skilled in calculus. The computers were people, not electronic devices. But the principle is the same - break the job down to sub-tasks, and sub-sub-tasks, until each part is small enough to be simple. Do all the jobs, and assemble all the results. Job done. It may take seconds, or months depending on your "equipment", but it will eventually be finished.

    I do like the pictures. I'll have to put my 135/3.5 "Typ D" to the test some day - yet another case of the Vade Mecum being completely wrong...
    -- Ole Tjugen, Luddite Elitist
    Norway

  7. #7

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    Jim,

    The more I try the old lenses on a new materials, the more I wonder how well were they made - in all senses. And the individual character of old lenses is a quite distinct and charming thing - as I can see, the picture made with echt 135/4.5 Zeiss Tessar from exactly the same era, is a bit different from the one taken with Xenar. The optical scheme is about the same, the shutter is the same - the soul of lenses is definitely kept in their glass

    Cheers, Zhenya

    Quote Originally Posted by PhotoJim
    I liked the pictures a lot. These old lenses have a lot of character.

  8. #8

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    Yes, Ole, calculators, not computers - and that's really great way to solve complex things manually. I well remember Russian artillery tables of trigonometry values, made in early 19th century by an especially trained division of soldiers and officers - with seven digits precision, by the way

    I am pleased to hear that you like the pictures - in fact, I like them very much by myself They came out exactly as I wanted them, and the lens gave them some special spirit - a very non-modern one I would be very eager to see how your Typ D would work - hope you would test it soon

    Cheers, and thanks - Zhenya

    Quote Originally Posted by Ole
    Of course they used computers! The Petzval lens was calculated by Petzval, assisted by a team of "computers": A corporal, and six artillerists skilled in calculus. The computers were people, not electronic devices. But the principle is the same - break the job down to sub-tasks, and sub-sub-tasks, until each part is small enough to be simple. Do all the jobs, and assemble all the results. Job done. It may take seconds, or months depending on your "equipment", but it will eventually be finished.

    I do like the pictures. I'll have to put my 135/3.5 "Typ D" to the test some day - yet another case of the Vade Mecum being completely wrong...

  9. #9
    Steve Smith's Avatar
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    Quote Originally Posted by eumenius
    With every old lens I get, I keep wondering how these were calculated and made without any computers...
    Every time I take an old shutter apart I wonder how they managed to design such a complex mechanism without computers and CAD, etc. Nobody would even try now using a drawing board and a slide rule.

    Oh, I liked the pictures too!

    Steve.

  10. #10

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    Quote Originally Posted by eumenius
    ...
    In meanwhile, how did you like the pictures this old Xenar is capable of? With every old lens I get, I keep wondering how these were calculated and made without any computers... ...
    Zhenya, when I went off to college in 1961 I took my copy of the Chemical Rubber Company's book of tables (logarithms, trig functions, ... ), all hand-calculated, to use in further hand calculations. Its probably somewhere in my library now.

    And when I got my first research assistantship, in 1965 (before I'd graduated), I did large calculations with a Monroe elecromechanical calculator. That summer I had three of them die in a cloud of blue smoke. Multiplying two 20x20 matrices took me a day and a half, including doing it a second time to check.

    Digital computers were a little bit around then, but very scarce and hard to get at. Also hard to use, it was only in the early '60s that the idea of operating system was developed well enough to make it unnecessary for programmers to write "to the hardware."

    The first electronic calculator I encountered was an English machine, the ANITA. ANITA being, of course, an acronym for A New Inspiration To Arithmetic. Desk top machine, with many buttons and a row of nixie tubes.

    Cheers,

    Dan

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