sk66's latest activity

  • sk66
    sk66 replied to the thread Grey Card.
    I don't think there's any real benefit to using a grey card to set a custom white balance in each camera... I don't see that as being...
  • sk66
    sk66 replied to the thread Grey Card.
    No, not necessarily. For "a shoot" I would use a fixed white balance; that way a single white balance correction can be applied to all...
  • sk66
    sk66 replied to the thread Grey Card.
    Usually a white balance reference is placed in the scene for the first image. And that is used to correct the white balance in post...
  • sk66
    sk66 replied to the thread Grey Card.
    Sounds like you are wanting to use it to set a custom white balance in camera? I would use an inexpensive white balance cap if that's...
  • sk66
    sk66 replied to the thread Buying the 800mm as I HATE CROPPING.
    The video is presented at 4k (~8MP); while my MBP liquid retina monitor is set to the default resolution setting of ~ 2MP full...
  • sk66
    sk66 replied to the thread Buying the 800mm as I HATE CROPPING.
    The CIPA standard for image stabilization is much lower than the traditional standard for acceptable sharpness, which is itself...
  • sk66
    sk66 replied to the thread Buying the 800mm as I HATE CROPPING.
    There are so many tradeoffs, and even once you get into the big primes you end up in almost the same spot no matter what you do; I call...
  • sk66
    sk66 replied to the thread Buying the 800mm as I HATE CROPPING.
    When operating from within a warm enclosure and it is colder outside you get an interface boundary of turbulence as the warm air moves...
  • sk66
    sk66 replied to the thread Buying the 800mm as I HATE CROPPING.
    DXO uses a variable MTF (contrast) based upon human vision (larger details require less contrast to see/discern). That makes their...
  • sk66
    sk66 reacted to TimHughes's post in the thread Buying the 800mm as I HATE CROPPING with Like Like.
    .... this is the expensive slippery slope that led me to the big primes
  • sk66
    sk66 reacted to Gav.'s post in the thread Dahlia with Like Like.
    @sk66 Thank you for feedback and thoughts Steven, much appreciated. I've got some frost protection fleece somewhere, I'll have a play...
  • sk66
    sk66 replied to the thread Dahlia.
    Being really picky, I would also *composite the image to eliminate the refraction of the stem, and to eliminate the flower's reflection...
  • sk66
    sk66 replied to the thread Dahlia.
    The easy answer is a roll of diffusion sheet, but it's pretty pricey for the large widths. A cheaper/easier alternative is a translucent...
  • sk66
    sk66 reacted to Gav.'s post in the thread Dahlia with Like Like.
    Thank you, Steven, I had made a note to get/make a bigger diffuser panel while doing this one, so you've backed a thought I had (y)
  • sk66
    sk66 replied to the thread Dahlia.
    Very nice. I would prefer the highlight side of the vase more resemble the shadow side in shape/contour/gradation... that would require...
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