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markwyatt

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Posts posted by markwyatt

  1. It is a great shot. It is very dynamic, and the geometric aspects really make it. The first thing I noticed was the bold geometry, then my I was drawn to the lone fisherman, which gives it some human impact. Finally, I like the way the reflection of the arches actually amplify them, plus the way the arches + reflections create closed geometries. A lot of the crops proposed could work.
    • Like 1
  2. I wonder if people on ebay do not use bad photos to hide flaws (I really don't wonder, but am being charitable). Recently I ordered a Fujinon 35mm f2.8 lens. Pictures were kind of dark, but I thought I wanted that particular lens, so I took a risk. The box came, and I opened it with anticipation, and ended up with the same brand, but it was a f3.5 28mm (with a dinged filter ring)! Bait and switch?

     

    I said, no, and we arranged to swap for the correct lens. I asked for his price for the 28mm, but it was too high so I sent it back. Before I knew it, I see a refund in my Paypal account and got a note with a picture where he confesses that he did not properly vet the correct lens, and showed an image with a flashlight shining through the lens revealing a lot of haze! I think he realized I was not an easy play. With the refund I ordered my second choice lens (within my specific budget), which even as I waited for the first, was starting to wonder if it might be the actual better choice (Mamya Sekor-SX 35mm f2.8, M42).

  3. Here is a dramatic view of rocks in Joshua Tree national Park. Zeiss Ikon Contax iia; Zeiss Optron 50mm f2 Sonnar; red filter (25A) or deep yellow (orange), not sure anymore, for sky and clouds.

     

    32775600427_a57cdd63a7_b.jpg[/url

    ]Sloped Rocks by Mark Wyatt, on Flickr

    Fujifilm XT-2; Fujinon 18-55mm zoom; A different rock formation

    47473661562_370ea7f614_b.jpg

    Rock Formation by Mark Wyatt, on Flickr

    Fujifilm XT-2; Fujinon 18-55mm zoom; Another part of the park; color with wild flowers

    47544859131_fc8dd67463_b.jpg

    Desert Superbloom by Mark Wyatt, on Flickr

    • Like 5
  4. I have been surprised about the low prices for many AI Nikkor lenses.

     

    Since they work fine on current Nikon DSLRs, I thought prices would stay up,

    but they don't.

     

    I got an AI 80-200 zoom for about $11.

     

    More recently, an AF D Nikkor 24-120 zoom, not the newest which

    I believe has image stabilization, but the older one, for $75.

     

    Not quite as low as some 35mm SLRs, but plenty low enough.

     

    It seems it is prime lenses that really have the premium. Manual zoom lenses are not an in thing right now (but are still practical).

  5. I think what might be useful is a largely unprocessed cumulative histogram of relative pixel readout (voltage, amperage, whatever) ordered on the x-axis from minimum ("0" on y-axis, i.e., no reading) to max ("1" on y-axis, i.e., clipped). Then you could see how much of the dynamic range of your sensor array is being used in a given range. By "largely unprocessed) I man unprocessed other than dividing each pixel's value by the largest value the pixel can read before clipping.
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