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Pix for the week ending Sunday, May 21, 2023

Deleted
May 17, 2023
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  • link
    Deleted Removed user
    May 17, 2023, 12:56 a.m. May 17, 2023, 12:56 a.m.
    link

    A bit late but there are still five days left ...

    Testing a Takumar 24mm Lens
    SDIM0373.X3F.jpg

    SDIM0373.X3F.jpg

    JPG, 1.2 MB, uploaded by xpatUSA on May 17, 2023.

    ArvoJ and DonCox like this.

    favorite 2

  • edit

    Thread title has been changed from Pix for the week ending May 21, 2023.

    • By Deleted on May 17, 2023, 5:03 a.m..
  • link
    Deleted Removed user
    May 18, 2023, 6:53 p.m. May 18, 2023, 6:53 p.m.
    link

    My stuff:
    my sruff.jpg

  • link
    ArvoJ
    Team 940 posts
    May 18, 2023, 7:38 p.m. May 18, 2023, 7:38 p.m.
    link
    @xpatUSA has written:

    Testing a Takumar 24mm Lens

    Looks pretty sharp (as old Takumars usually are).
    How about colours? Does it show 'green corners'? Looks like its 'exit pupil' (sometimes related to back element diameter) is not very wide.

  • link
    ArvoJ
    Team 940 posts
    May 18, 2023, 7:43 p.m. May 18, 2023, 7:43 p.m.
    link

    From May, 2012 - no current week images yet :(

    SDIM5044.jpg

    SDIM5044.jpg

    JPG, 3.1 MB, uploaded by ArvoJ on May 18, 2023.

    sattva and Deleted like this.

    favorite 2

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    DonCox
    Members 280 posts
    May 19, 2023, 2:14 p.m. May 19, 2023, 2:14 p.m.
    link

    FP009877_p2.jpg

    FP009877_p2.jpg

    JPG, 2.5 MB, uploaded by DonCox on May 19, 2023.

    Deleted likes this.

    favorite 1

  • link
    Deleted Removed user
    May 19, 2023, 4:15 p.m. May 19, 2023, 4:15 p.m.
    link
    @ArvoJ has written:
    @xpatUSA has written:

    Testing a Takumar 24mm Lens

    Looks pretty sharp (as old Takumars usually are).

    Yes, ir's quite sharp:
    SPPshCsESF.png
    Edge Detection:
    SDIM0391-edges.jpg

    Quoted message:

    How about colours? Does it show 'green corners'?

    Haven't tested for green corners - not noticeable here:
    SDIM0391-SPP-noAdj.jpg

    Quoted message:

    Looks like its 'exit pupil' (sometimes related to back element diameter) is not very wide.

    How do I check the exit pupil, Arvo? Look into the back?

    SDIM0391-edges.jpg

    JPG, 2.0 MB, uploaded by xpatUSA on May 19, 2023.

    SDIM0391-SPP-noAdj.jpg

    JPG, 1.9 MB, uploaded by xpatUSA on May 19, 2023.

    SPPshCsESF.png

    PNG, 27.0 KB, uploaded by xpatUSA on May 19, 2023.

  • link
    Deleted Removed user
    May 20, 2023, 3:47 a.m. May 20, 2023, 3:47 a.m.
    link

    Just been playing with something called 'stylize', mentioned here:

    pixls.us/blog/2019/09/g-mic-2-7-process-your-images-with-style/

    No idea what all the sliders do!

    The Victim
    SDIM0884.jpg

    A Result
    stylize.jpg

    In the style of that Japanese print "Great Wave" ...

    stylize.jpg

    JPG, 1.7 MB, uploaded by xpatUSA on May 20, 2023.

    SDIM0884.jpg

    JPG, 1.2 MB, uploaded by xpatUSA on May 20, 2023.

  • link
    Deleted Removed user
    May 21, 2023, 1:08 p.m. May 21, 2023, 1:08 p.m.
    link
    @xpatUSA has written:

    [quote="@ArvoJ"]

    Quoted message:

    Looks like its 'exit pupil' (sometimes related to back element diameter) is not very wide.

    How do I check the exit pupil, Arvo? Look into the back?

    www.rp-photonics.com/entrance_and_exit_pupil.html
    article on 'Entrance and exit pupil' in the RP Photonics Encyclopedia

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