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  1. What is the difference between halftoning and dithering?

    As I understand it, halftoning is the process of taking an image with a given color range (as defined by the colorspace) and blending the colors to form an image with a smaller range of colors. Ho...

  2. photo editing - Is there a better way to "smooth out" CMYK halftones ...

    Jan 7, 2021 · Please note - it has been a while since I've worked with this kind of scanning. I think the repeating pattern (especially visible in the wood section of the image after blurring) can be caused by …

  3. What is the name of this texture/where can I find it?

    This is actually not a texture, but a halftone pattern. Many graphics applications are able to render images with halftone patterns for printers with few colors (e.g. 1 or 4). Related question at Graphic …

  4. How much is the depth of field of Weegee's "f/8 and be there"?

    May 4, 2023 · Thanks to @ZeissIkon, the halftone screen they used is 72 lpi. That is about 2 lp/mm. And "½ mm viewed from 20 inches" is also about 2 lp/mm. So the printing resolution is sufficient for a …

  5. Why is the scanner speckling the images? [duplicate]

    They are halftone patterns used in printing. You cannot overcome the limitations of the subject matter. The fact that you have a great scanner is the reason why these imaging artifacts are so obvious. …

  6. Does higher resolution in an image imply more bits per pixel?

    Apr 29, 2019 · Image resolution (amount of pixels) and bit depth (bits per pixel) can be changed independently. Any combination of high/low resolution and more/less bits per pixel is possible. …

  7. What does a client mean when they request 300 ppi pictures?

    Mar 15, 2023 · I might ask how large the images will be printed/displayed, and what the OUTPUT resolution and halftone screen will be (for conventional offset printing). If you are printing images on …

  8. How to safely tell if a film roll has been developed?

    Jul 13, 2024 · 35mm? Is the leader sticking out of the canister, or has it been wound back into it? It's not a certain method, so I've not posted this as an answer, but I've always wound the film all the way …

  9. How can I make a grave-side photo which will not fade?

    Sep 15, 2017 · Sorry for your loss. I know it's not what you said you were looking for, but I'd be tempted to use a 'halftone' type image engraved into steel: google.co.uk/…

  10. How do I convert lens focal length (mm) to x-times optical zoom?

    Jan 2, 2024 · The "mm notation" is the focal length. Note that when computing the zoom ratio (e.g. 3x, 5x) the units cancel so you can quote the focal length in inches, meters, AU and it won't influence the …