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  1. blackstar

    What happened at Sony World Photography Awards

    https://petapixel.com/2023/04/14/artist-refuses-prize-after-his-ai-image-wins-at-top-photo-contest/ So this is happening, and many people are aware of and anticipating it coming. Wonder why do those big Sony award juries (must be photographers) not even suspect or check up on the work that...
  2. blackstar

    Focus shifting (landscape)

    Did another try: # shots=100, FSW=6, Interval=0. Actual shots=56 (FL=600mm, iso=640, f/9.5, speed=1/125") After stacking, realized have made a mistake: focusing the first spot on the bottom of the chimney! (thinking the closest point) From the images below, there are big power post and tree...
  3. blackstar

    Vote for Weekly Challenge April 5 -11 "Leading Lines"

    Congratulations to Marilynne!!!
  4. blackstar

    A nice early-afternoon sun.

    Strangely, there is no info on ISO in Exif.
  5. blackstar

    Old Family Photos

    Gee, some 63 years ago! And you still have the very same face -- same eyes, same nose, same mouth, same face pose for portrait,... except the bear!!!
  6. blackstar

    Morning visitor to my little garden pond.

    Which of her eyes was tracked?
  7. blackstar

    HSN and Z lenses

    $1050 for this D3500 with ONE kit lens!!! I bought it new with TWO kit lenses @ Target for $500 3 years ago.
  8. blackstar

    Post your flower pics

    After a long raining season:
  9. blackstar

    Post your flower pics

  10. blackstar

    Post your flower pics

  11. blackstar

    Vote for Weekly Challenge March 29- April 4 "Silly"

    Congratulations to Bill!!!
  12. blackstar

    Ready, Aim, shoot

    And the result?
  13. blackstar

    Focus shifting (landscape)

    Hi Paliswe, Evidently, according to the Exif, your experiments with 70-200mm and 24-200mm were taken under quite different conditions: different shutter speeds, different ISO, different shooting angles, and most importantly, different f/xx. Since you set f/2.8 for 70-200mm, you got very shallow...
  14. blackstar

    Focus shifting (landscape)

    When you use 24-200mm and 70-200mm with FL=200mm, it is NOT under the exact same conditions: you have to use a ZTF adaptor for 24-200mm and it could make a bigger DoF. Or you could set a different aperture that also affects DoF (f4-6.3 for 24-200mm; f2.8 for 70-200mm). Remember large aperture...
  15. blackstar

    Focus shifting (landscape)

    The special thing about my project is the main subject in the landscape scene is very very far (miles) away and some other object (e.g., clouds) is even beyond it. I need a 600mm lens to catch the scene. This is very different from Macro/close-up, even normal landscape scenes (DoF is not that...
  16. blackstar

    Focus shifting (landscape)

    In response/appreciation to Paliswe's post, give my thoughts on 2c: First, my bad if wrong I think for z cameras' settings of focus shifting, "focus step width" is related to the "depth of field" of the system. And the "DoF" is set by focal length, aperture, and subject distance. The "step...
  17. blackstar

    Focus shifting (landscape)

    Thanks, Fred.
  18. blackstar

    Woody's Vea La Luz 2023

    I am sorry, Woody. I have messed up your thread here!
  19. blackstar

    Woody's Vea La Luz 2023

    How do you get this number in EXIF? I couldn't find it in my Exif Viewer. Could you check my image posted above for the focusing distance? Thanks
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