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Thread: Howtek Scans - bigger files when converting from tif to jpg in comparison to V850

  1. #1

    Join Date
    Sep 2015
    Posts
    2

    Howtek Scans - bigger files when converting from tif to jpg in comparison to V850

    For several weeks I have a Howtek scanner and am very happy so far.

    But what I noticed:
    If I convert on Lightroom my processed TIF files to JPG (with a fixed quality level of 90% without resizing) they are significantly bigger in comparison to the converted Epson scans at the same image size.

    For example:
    * A color negative scan (1x Epson V850, 1x Howtek 4500), TIF-File, resized to nearly 6200 x 5000 px
    * Conversion to JPG via Lightroom, no resizing, quality level = 90%, sRGB
    * Epson scan conversion results to a 15MB JPG
    * Howtek scan conversion results to a 45MB JPG

    Any ideas?

    Miccy.

  2. #2

    Join Date
    Jun 2008
    Location
    london
    Posts
    86

    Re: Howtek Scans - bigger files when converting from tif to jpg in comparison to V850

    jpeg compression depends on the detail in the image, the more detail the less compression you gets.

  3. #3
    I live in Connecticut now.
    Join Date
    Oct 2012
    Location
    Connecticut, USA
    Posts
    5,316

    Re: Howtek Scans - bigger files when converting from tif to jpg in comparison to V850

    "Limit file size to xxxxK" for smaller MB and "limit file to xxxxxdpi on the long edge" that helps make most files even.

  4. #4

    Join Date
    Sep 2015
    Posts
    2

    Re: Howtek Scans - bigger files when converting from tif to jpg in comparison to V850

    @monsta - yes you are right the Howtek shows more details - even at 2.000 dpi, which is the nearly optical limit of the Epson scanner.
    @StoneNYC - thanks for the tip - yes, that works.

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