{"id":372208,"date":"2024-10-20T02:28:12","date_gmt":"2024-10-20T02:28:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-14490-32021\/"},"modified":"2024-10-26T04:18:17","modified_gmt":"2024-10-26T04:18:17","slug":"bs-iso-14490-32021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-14490-32021\/","title":{"rendered":"BS ISO 14490-3:2021"},"content":{"rendered":"

This document specifies test equipment and test procedures for determination of the following optical characteristics of telescopic sights:<\/p>\n

    \n
  1. \n

    axial parallax;<\/p>\n<\/li>\n

  2. \n

    parallax;<\/p>\n<\/li>\n

  3. \n

    eye relief range, eye relief, critical eye relief;<\/p>\n<\/li>\n

  4. \n

    reticle tracking;<\/p>\n<\/li>\n

  5. \n

    line of sight shift due to zooming;<\/p>\n<\/li>\n

  6. \n

    line of sight shift due to focusing.<\/p>\n<\/li>\n<\/ol>\n

    PDF Catalog<\/h4>\n\n\n\n\n\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
    7<\/td>\nForeword <\/td>\n<\/tr>\n
    9<\/td>\n1 Scope
    2 Normative references
    3 Terms and definitions
    4 Method of measurement of axial parallax
    4.1 Principle <\/td>\n<\/tr>\n
    10<\/td>\n4.2 Test arrangement
    4.2.1 General
    4.2.2 Collimator
    4.2.3 Telescopic sight <\/td>\n<\/tr>\n
    11<\/td>\n4.2.4 Dioptric tester
    4.3 Measurement procedure
    4.4 Test report
    5 Method of measurement of parallax
    5.1 Principle <\/td>\n<\/tr>\n
    12<\/td>\n5.2 Test arrangement
    5.2.1 General
    5.2.2 Collimator
    5.2.3 Telescopic sight
    5.2.4 Light stop <\/td>\n<\/tr>\n
    13<\/td>\n5.2.5 Auxiliary telescope
    5.3 Measurement procedure <\/td>\n<\/tr>\n
    14<\/td>\n5.4 Test report
    6 Method of measurement of eye relief range, eye relief and critical eye relief
    6.1 Principle
    6.2 Test arrangement
    6.2.1 General
    6.2.2 Collimator
    6.2.3 Telescopic sight <\/td>\n<\/tr>\n
    15<\/td>\n6.2.4 Measuring magnifier
    6.3 Measurement procedure <\/td>\n<\/tr>\n
    16<\/td>\n6.4 Test report
    7 Method of measurement of reticle tracking
    7.1 Principle
    7.2 Test arrangement
    7.2.1 General
    7.2.2 Collimator <\/td>\n<\/tr>\n
    17<\/td>\n7.3 Test procedure
    7.4 Test report
    8 Method of measurement of line of sight shift due to zooming
    8.1 Principle
    8.2 Test arrangement
    8.2.1 General <\/td>\n<\/tr>\n
    19<\/td>\n8.2.2 Test specimen mounting
    8.2.3 Auxiliary telescope
    8.3 Test procedure
    8.3.1 Preparation of the test assembly
    8.3.2 Determination of the measurement values <\/td>\n<\/tr>\n
    20<\/td>\n8.4 Precision of the measurement
    8.5 Test report
    9 Method of measurement of line of sight shift due to focusing
    9.1 Principle
    9.2 Test arrangement
    9.2.1 General <\/td>\n<\/tr>\n
    21<\/td>\n9.2.2 Collimator <\/td>\n<\/tr>\n
    22<\/td>\n9.2.3 Telescopic sight
    9.2.4 Auxiliary telescope
    9.3 Test procedure
    9.3.1 Preparation of the test assembly
    9.3.2 Determination of the measurement values
    9.4 Precision of the measurement
    9.5 Test report <\/td>\n<\/tr>\n
    23<\/td>\n10 General test report <\/td>\n<\/tr>\n
    24<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Optics and photonics. Test methods for telescopic systems – Test methods for telescopic sights<\/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>\n26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":372215,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-372208","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/372208","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\/372215"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=372208"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=372208"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=372208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}