{"id":22955,"date":"2020-05-28T15:50:47","date_gmt":"2020-05-28T13:50:47","guid":{"rendered":"https:\/\/ddoptics.shop\/?post_type=glossary&#038;p=22955"},"modified":"2020-05-28T19:23:29","modified_gmt":"2020-05-28T17:23:29","slug":"field-of-view-for-binoculars-and-riflescopes","status":"publish","type":"glossary","link":"https:\/\/ddoptics.shop\/en\/fachwort\/sehfeld-bei-fernglas-und-zielfernrohr\/","title":{"rendered":"Field of view and viewing angle for optics such as binoculars and riflescopes"},"content":{"rendered":"<h2>Binoculars and riflescope Field of view and viewing angle<\/h2>\n<p>The field of view of binoculars or riflescopes is described either as\u00a0<strong>in degrees (viewing angle) or in metres<\/strong>\u00a0is indicated. The size of the field of view indicates which\u00a0<strong>Terrain width at a distance of 1000 m<\/strong>\u00a0can be observed through binoculars.<\/p>\n<p>In contrast, the field of view of riflescopes is usually specified for distances of 100 metres.<\/p>\n<p>Binoculars without a wide-angle function have fields of view of up to 130 metres. A larger field of view makes it easier to observe large objects and track moving objects. With <strong>The field of view generally decreases with increasing magnification<\/strong>\u00a0for every optical system, which also depends on the design of the optical system.<\/p>\n<p>If you compare the fields of view of several binoculars or riflescopes, you should therefore make sure that you use optics with identical or at least similar magnifications. And - one<strong>\u00a0Generous field of view specifications for inexpensive binoculars<\/strong>\u00a0is however<strong>\u00a0with caution<\/strong>\u00a0to consider.<\/p>\n<p>It is possible that the\u00a0<strong>Larger field of view at the expense of reduced edge sharpness<\/strong>\u00a0achieved. Other providers, on the other hand, advertise optimum edge sharpness, but conceal the fact that this was achieved by reducing the field of view. However, if perfect edge sharpness is achieved solely by artificially reducing the field of view, this speaks more in favour of the provider's creative marketing approach than the convincing quality of the optics.<\/p>\n<p>So that you can realistically assess the quality of an optic, the field of view and the edge sharpness of a product should only be assessed together. The following criteria are important for\u00a0<strong>binoculars must be taken into account:<\/strong><\/p>\n<ul>\n<li><strong>Edge sharpness<\/strong><\/li>\n<li><strong>Image brilliance<\/strong><\/li>\n<li><strong>Twilight performance<\/strong><\/li>\n<li><strong>Field of vision<\/strong><\/li>\n<\/ul>\n<p>The viewing angle (as a measure of the size of the field of view in the USA and Japan) is rounded and calculated using the following formula:<\/p>\n<figure id=\"attachment_8909\" aria-describedby=\"caption-attachment-8909\" style=\"width: 214px\" class=\"wp-caption alignleft\"><img decoding=\"async\" class=\"size-full wp-image-8909\" src=\"https:\/\/ddoptics.shop\/wp-content\/uploads\/2016\/07\/formel-blickwinkel.jpg\" alt=\"Formula viewing angle for binoculars\" width=\"214\" height=\"46\" title=\"\"><figcaption id=\"caption-attachment-8909\" class=\"wp-caption-text\">Formula viewing angle for binoculars<\/figcaption><\/figure>\n<p>(Here, approx. 17.45 m per 1000 m equals 1\u00b0)<\/p>","protected":false},"excerpt":{"rendered":"<p>The size of the field of view indicates the width of the terrain that can be observed through the binoculars at a distance of 1000 metres.<\/p>","protected":false},"author":2,"featured_media":8912,"parent":0,"template":"","glossary-cat":[950],"class_list":["post-22955","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-cat-optik-wiki"],"related_terms":"Sehfeld,Blickwinkel","external_url":"","internal_reference_id":"","_links":{"self":[{"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/glossary\/22955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":4,"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/glossary\/22955\/revisions"}],"predecessor-version":[{"id":23038,"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/glossary\/22955\/revisions\/23038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/media\/8912"}],"wp:attachment":[{"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/media?parent=22955"}],"wp:term":[{"taxonomy":"glossary-cat","embeddable":true,"href":"https:\/\/ddoptics.shop\/en\/wp-json\/wp\/v2\/glossary-cat?post=22955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}