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  2. Photo print sizes - Wikipedia

    en.wikipedia.org/wiki/Photo_print_sizes

    The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

  3. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    Comparison of ISO 216 and Swedish standard SIS 014711 paper sizes between A4 and A3 sizes. The Swedish standard SIS 01 47 11 [9] generalized the ISO system of A, B, and C formats by adding D, E, F, and G formats to it. Its D format sits between a B format and the next larger A format (just like C sits between A and the next larger B).

  4. Newspaper format - Wikipedia

    en.wikipedia.org/wiki/Newspaper_format

    Comparison of some newspaper sizes with metric paper sizes. Approximate nominal dimensions are in millimetres. ... A3 420 mm × 297 mm (16.5 in × 11.7 in) ...

  5. 35 mm equivalent focal length - Wikipedia

    en.wikipedia.org/wiki/35_mm_equivalent_focal_length

    35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...

  6. The best digital photo frames of 2025 - AOL

    www.aol.com/lifestyle/best-digital-photo-frames...

    Size: The average photo frame measures about 10 inches diagonally, roughly the same as an entry-level iPad. I'd consider that the minimum size; anything smaller will make it hard to view photos ...

  7. VisionMap A3 Digital Mapping System - Wikipedia

    en.wikipedia.org/wiki/VisionMap_A3_Digital...

    The camera weighs 38 kilograms, and measures 50x60x60 cm. Among the A3 System’s various final products are Super Large Frames (SLF), which are composed of all double frames of one sweep. The size of the SLF is 7,812 pixels along the flight and 62,517 pixels across the flight direction.

  8. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    DIN 41494-7 Dimensions of cabinets and suites of racks. DIN 41494-8 Components on front panels; mounting conditions, dimensions; DIN IEC 60297-3-100 (see above in IEC section) A rack's mounting fixture consists of two parallel metal strips (also referred to as posts or panel mounts) standing vertically. The posts are each 0.625 inches (15.88 mm ...

  9. ISO 216 - Wikipedia

    en.wikipedia.org/wiki/ISO_216

    Successive paper sizes in the series (A1, A2, A3, etc.) are defined by halving the area of the preceding paper size and rounding down, so that the long side of A(n + 1) is the same length as the short side of An. Hence, each next size is nearly exactly half the area of the prior size. So, an A1 page can fit two A2 pages inside the same area.