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Thread: Photography/Lens thread

  1. #11
    Super Moderator Petr Schreiber's Avatar
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    Hi Rob,

    thanks for the tips. For the panorama-stitching, I use Zoner Photo Studio, it is pretty good.

    It also features "tonal mapping" feature, which allows to approximate HDR from a single photo quite well.
    I do use this feature to enhance black and white (and single color) photos, please see the attachement.


    Petr

    EDIT: Hmm, it seems the forum recompressed it, you can download full res here: http://we.tl/GN7Nhp3HnU
    Attached Images Attached Images
    Last edited by Petr Schreiber; 13-12-2013 at 10:14.
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  2. #12
    Ah Thanks Petr,

    Is that Brno ?? (been there once, but only a drive-through ).

    Hugin has a lot of projections (ZPS one ? (prabably shperical then)) - spherical projections have the disadvantage that there is no compensation on the Y axis, so buildings may turn out lower than in reality. Projecting on a cylinder (Mercator) , a cone (Lambert) is an interesting cure.
    Hugin even has Paninin and architectural projections even more specialised for these !

    best Rob

  3. #13
    Super Moderator Petr Schreiber's Avatar
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    Hehe,

    yes, it is Brno. It is great city for photographer - very rich in structure, yet small enough to walk from one edge to another during long summer day.

    I am not sure what kind of projection the ZPS bases his work on - based on focal length it simply stitches the photos together and they don't look deformed. You can manually edit the matching features and focal length for fine tuning.
    Will check out the tools you listed, it seems they offer some extra options


    Petr
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  4. #14
    Super Moderator Petr Schreiber's Avatar
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    Hi Rob,

    did you have any chance to use Jupiter 135mm f4?
    It is available her for ridiculous price, and in combination with V1 it would behave like 365mm f4.

    I have seen some nice bokeh images made with it, and some slightly ugly ones too; sharpness seems generally very good.


    Petr
    Learn 3D graphics with ThinBASIC, learn TBGL!
    Windows 10 64bit - Intel Core i5-3350P @ 3.1GHz - 16 GB RAM - NVIDIA GeForce GTX 1050 Ti 4GB

  5. #15
    Hi Petr,

    Yes, I have one (Soviet made Jupiter) and a Carl Zeiss Sonnar 135mm -- both lenses have the same design and were developed at CZ Jena in the 1930s (IIRC Ludwig Bertele).
    Excellent stuff, and most other 135mm's are mostly copies of this design.
    As for the Soviets, they just moved German production lines to Kiev and Krasnagorsk - so in principle they are the same (initially). Before called Jupiter, they were named - 3K (Zonnar Krasnagorskiy) - БK (Biotar Krasnagorskiy) etc... It are not copies, just optics made "somewhere else".

    You have to take care about one thing, this Jupiter was also available in LTM (Leica mount , 39mm) and !!! for the early series of Zenit cameras.
    But as the Zenit has a lens registration of 45.5 mm and the others 28.8mm while, they will fit the camera they are not workable.
    Thus, to work with your adapter you have to be sure that the lens is ... for Leica, Zorki, Fed, Leningrad, Drug etc ....

    best Rob
    (wishing all the best for 2014)

  6. #16
    Super Moderator Petr Schreiber's Avatar
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    Thanks for the fast reply,

    I will bring my camera with me to test, it is in antique, so it should be possible to test it on place.

    Best wishes and lot of joy (not just) from photography in 2014!


    Petr
    Learn 3D graphics with ThinBASIC, learn TBGL!
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  7. #17
    Super Moderator Petr Schreiber's Avatar
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    The image in the attachement is shot through Nikon 135mm f2.8, but it is not that important in this case hehe.
    I call it "The good guy and the bad guy"


    Petr
    Attached Images Attached Images
    Learn 3D graphics with ThinBASIC, learn TBGL!
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  8. #18
    Great Petr !! congrats ... lovely contrast between colours and non colours !

    reflections on the Svratka ? (not sure it's the correct name )

    thanks Rob

  9. #19
    Super Moderator Petr Schreiber's Avatar
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    Thanks!

    Yes, good old Svratka


    Petr
    Learn 3D graphics with ThinBASIC, learn TBGL!
    Windows 10 64bit - Intel Core i5-3350P @ 3.1GHz - 16 GB RAM - NVIDIA GeForce GTX 1050 Ti 4GB

  10. #20

    Some tinkering

    Harlequin (lost in the dark).jpg


    Bohemian crystal ! CZ made.

    The special about this is that the film is developed with coffee !
    A mix of Sodium carbonate (Household soda - to get the correct pH ) , Vitamin C (the anti-oxidant, converted into ascorbates by the Soda) and instant coffee (caffeic acid seems to be able to reduce silver salts - wasn't there a urban story that Coca Cola removes rust stains ?? ;-)

    The intention is to make an environmental friendly developer based on common house hold products. (since the bankrupt of Agfa and Kodakn some products are harder to get than before -- I hope Foma from your country will stay strong -- we are depending on them for paper, film and chemicals these days -- ok the alternative is Ilford in the UK , the French Bergger only sells very limited stuff now)

    best, Rob
    We also were able to turn paracetamol into a developer (the classic pain killer) by hydrolyse converted in para aminophenol using Sodium hydroxide (or KOH).
    Last edited by RobbeK; 13-01-2014 at 10:41.

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