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  1. M

    Through a not very clean window

    I am wondering how bad it is (when it too cold or wet to get the shot outside) to shoot through a window that isn't terribly clean. More importantly what would I look at when I examine the result on a computer that would tell me how much worse the image is as a result of the window? I've only...
  2. M

    compatibility of ring flashes

    The online descriptions of cheap ring flashes tend to list compatibility with the hot shoe in my Sony a7 iii, but tend not to list their brightness nor recharge time. Expensive ones tend to list compatibility with many cameras but don't mention Sony (and do highlight brightness and recharge...
  3. M

    Tripod: What should I look for in online shopping

    I need a much better tripod, but I'm not sure of how much better, and I don't know which feature names fit the solutions to my existing issues. Most of my issues are in smooth adjustment. I have a Sunpack 6630LX tripod. It weighs just over 2 pounds. Light weight is great, but I expect I...
  4. M

    Please critique my plant photos

    One of my intended uses of my new Sony a7 iii is to document progress of plants in my garden (and see what I'm doing right/wrong in gardening). I got the camera at the wrong time of year for that. But today I took some test photos as if I were doing gardening photos, so I can learn what I'm...
  5. M

    Sony a7 iii transfer photos to Android phone

    Can you transfer photos from camera to phone while both are connected to the same home-LAN wireless access point? If so, how? The documentation makes it seem like that is a supported feature, but I haven't found any documented sequence of steps. It keeps failing, apparently because the App on...
  6. M

    Help me understand this webpage about back-button focus

    https://alphauniverse.com/stories/are-you-using-this-essential-autofocus-tool/ I have my Sony a7 iii set up a different way for back-button focus (thanks to this forum telling me it is called "back-button focus"). But the above web page seems to describe a better (and very different) way to...
  7. M

    A flash of perfect focus then it can't focus

    My Canon SX530 has a behavior that is super frustrating. It reliably happens under two conditions and sometimes under other conditions: Trying to auto focus, it will flash a perfectly focused image of what I'm trying to focus on the screen for a moment, then go to blurred and fail to focus...
  8. M

    Finding the focal plane

    I'm trying to find the focal plane of my camera (Sony a7 iii, with FE 28-70mm F3.5-5.6 OSS). The camera has the location of the sensor plane marked, but all focus math requires the location of the focal plane. A hypothetical single element lens would have the focal plane ahead of the sensor...
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