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Recent content by Ray Maxwell

  1. R

    Hyperfocal distances on x7 lenses

    I would point out one more optical fact that many people don't understand. When you stop a lens down the depth of field increases. However, at a certain aperture the lens starts to be diffraction limited. This means if you stop down beyond this point the plane where you are focused actually...
  2. R

    Hyperfocal distances on x7 lenses

    Here is the definition of hyperlocal distance from Wikipedia: "In optics and photography, hyperfocal distance is a distance beyond which all objects can be brought into an "acceptable" focus. As the hyperfocal distance is the focus distance giving the maximum depth of field, it is the most...
  3. R

    Apple ProRes Raw File Size

    Here is a link with the calculations: https://www.fullexposure.photography/what-is-prores-raw/ Ray
  4. R

    Apple ProRes Raw File Size

    I suggest that you Google "Apple ProRes RAW white paper" https://www.apple.com/final-cut-pro/docs/Apple_ProRes_RAW_White_Paper.pdf On page 7 you will see the comparison of the data rates. Data rates and files sizes are proportional. Ray