{"id":385618,"date":"2024-10-20T03:31:34","date_gmt":"2024-10-20T03:31:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iso-ts-20791-22021\/"},"modified":"2024-10-26T06:24:32","modified_gmt":"2024-10-26T06:24:32","slug":"bsi-pd-iso-ts-20791-22021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iso-ts-20791-22021\/","title":{"rendered":"BSI PD ISO\/TS 20791-2:2021"},"content":{"rendered":"

This document describes the procedures for evaluation of colour variation in the printing of photographic reflection colour prints. The following procedures are described to evaluate colour variation in printing within a consecutive print job, between several print jobs, or between multiple photographic images printed in different areas of a large sheet:<\/p>\n

    \n
  1. \n

    test targets for small and large photographic prints;<\/p>\n<\/li>\n

  2. \n

    printing procedures and conditions;<\/p>\n<\/li>\n

  3. \n

    sampling in correspondence to the production scale;<\/p>\n<\/li>\n

  4. \n

    measurement of colour;<\/p>\n<\/li>\n

  5. \n

    calculation and analysis of colour variation and<\/p>\n<\/li>\n

  6. \n

    reporting.<\/p>\n<\/li>\n<\/ol>\n

    The procedures presented in this document are applicable for prints with a size of available picture area ranging from 35 cm2<\/sup> (e.g. 5 cm \u00d7 7 cm) to 5 400 cm2<\/sup> (e.g. 60 cm \u00d7 90 cm). This document is applicable to any of the photographic printing technologies, including inkjet, thermal dye transfer, electrophotography and silver halide (chromogenic) technologies.<\/p>\n

    PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
    2<\/td>\nNational foreword <\/td>\n<\/tr>\n
    6<\/td>\nForeword <\/td>\n<\/tr>\n
    7<\/td>\nIntroduction <\/td>\n<\/tr>\n
    9<\/td>\n1 Scope
    2 Normative references
    3 Terms and definitions <\/td>\n<\/tr>\n
    10<\/td>\n3.1 Terms
    3.2 Abbreviations
    4 Test target <\/td>\n<\/tr>\n
    12<\/td>\n5 Printing
    5.1 Environmental conditions <\/td>\n<\/tr>\n
    13<\/td>\n5.2 Procedures
    6 Sampling
    6.1 Reproducibility within a job
    6.2 Colour variation between jobs
    6.3 Colour variation between printed images located in different areas on a large sheet <\/td>\n<\/tr>\n
    14<\/td>\n7 Measurement
    7.1 Measurement device
    7.2 Timing of measurement
    7.3 Measurement conditions
    8 Calculation
    8.1 General <\/td>\n<\/tr>\n
    15<\/td>\n8.2 Calculation of colour difference <\/td>\n<\/tr>\n
    18<\/td>\n8.3 Colour variation between jobs
    9 Test report
    9.1 In laboratory notebook <\/td>\n<\/tr>\n
    19<\/td>\n9.2 For business communications <\/td>\n<\/tr>\n
    21<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Photography. Photographic reflection prints – Evaluation of colour variation in printing<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n2021<\/td>\n22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":385627,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[714,2641],"product_tag":[],"class_list":{"0":"post-385618","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-37-040-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/385618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/385627"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=385618"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=385618"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=385618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}