{"id":340118,"date":"2024-10-19T23:49:29","date_gmt":"2024-10-19T23:49:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-14490-12005\/"},"modified":"2024-10-25T22:58:45","modified_gmt":"2024-10-25T22:58:45","slug":"bs-iso-14490-12005","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-14490-12005\/","title":{"rendered":"BS ISO 14490-1:2005"},"content":{"rendered":"<p>This part of ISO&nbsp;14490 specifies the test methods for the determination of the following basic characteristics of telescopic systems and observational telescopic instruments:<\/p>\n<ul>\n<li>\n<p>angular magnification (see Clause&nbsp;4);<\/p>\n<\/li>\n<li>\n<p>entrance pupil diameter (see Clause&nbsp;5);<\/p>\n<\/li>\n<li>\n<p>exit pupil diameter and eye relief (see Clause&nbsp;6);<\/p>\n<\/li>\n<li>\n<p>angular field of view in the object space (see Clause&nbsp;7);<\/p>\n<\/li>\n<li>\n<p>angular field of view in the image space (see Clause&nbsp;8);<\/p>\n<\/li>\n<li>\n<p>angular field of view in the object space for spectacle wearers (see Clause&nbsp;9);<\/p>\n<\/li>\n<li>\n<p>collimation of the bundle of rays emergent from the eyepiece (see Clause&nbsp;10);<\/p>\n<\/li>\n<li>\n<p>image rotation (see Clause&nbsp;11);<\/p>\n<\/li>\n<li>\n<p>closest distance of observation (see Clause&nbsp;12).<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><b>Optics and optical instruments. Test methods for telescopic systems &#8211; Test methods for basic characteristics<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2006<\/td>\n<td>24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":340125,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-340118","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\/340118","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\/340125"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=340118"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=340118"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=340118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}