{"id":1633,"date":"2014-11-21T16:30:43","date_gmt":"2014-11-21T16:30:43","guid":{"rendered":"http:\/\/elg.is\/?p=1633"},"modified":"2019-05-01T22:30:52","modified_gmt":"2019-05-01T22:30:52","slug":"ad-mynda-nordurljos","status":"publish","type":"post","link":"https:\/\/elg.is\/?p=1633","title":{"rendered":"A\u00f0 lj\u00f3smynda nor\u00f0urlj\u00f3s"},"content":{"rendered":"<p>Oft er \u00e9g spur\u00f0ur um r\u00e1\u00f0 var\u00f0andi nor\u00f0urlj\u00f3sa-myndat\u00f6kur og \u00fev\u00ed \u00e1kva\u00f0 \u00e9g a\u00f0 skrifa ni\u00f0ur helstu t\u00e6knilegu atri\u00f0in sem snerta \u00feetta s\u00edvins\u00e6la vi\u00f0fangsefni.<\/p>\n<p>1. L\u00fdsingart\u00edminn er yfirleitt 15-20 sek\u00fandur. \u00deetta fer au\u00f0vita\u00f0 eftir \u00fev\u00ed hversu sterk nor\u00f0urlj\u00f3sin eru hverju sinni. Sumir fara jafnvel upp \u00ed 25-30 sek\u00fandur. Hafa ber \u00ed huga a\u00f0 vi\u00f0 \u00fea\u00f0 langan l\u00fdsingart\u00edma geta stj\u00f6rnurnar r\u00e1kast, \u00fe.e. ver\u00f0a ekki lengur skarpir punktar. \u00dea\u00f0 getur virka\u00f0 eins og myndin s\u00e9 hreyf\u00f0. \u00c1st\u00e6\u00f0an er s\u00fa a\u00f0 j\u00f6r\u00f0in sn\u00fdst \u00f6rl\u00edti\u00f0 \u00e1 me\u00f0an \u00e1 l\u00fdsingart\u00edmanum stendur. \u00deessi \u00e1hrif geta veri\u00f0 mismunandi eftir linsuger\u00f0.<\/p>\n<p>2. Lj\u00f3sop g\u00e6ti veri\u00f0 4.0 &#8211; 5.6. \u00de\u00f3 linsan leyfi st\u00e6rra lj\u00f3sop \u00fe\u00e1 er ekki v\u00edst a\u00f0 \u00fea\u00f0 borgi sig vegna d\u00fdptarskerpunnar.<\/p>\n<p>3. Reyndu a\u00f0 komast af me\u00f0 100 \u2013 200 ISO og helst ekki h\u00e6rra en 400. Langur l\u00fdsingart\u00edmi me\u00f0 h\u00e6rra ISO er \u00e1v\u00edsun \u00e1 miki\u00f0 su\u00f0 (noise) sem kemur alls ekki vel \u00fat. Myndin ver\u00f0ur mj\u00f6g korn\u00f3tt.<\/p>\n<p><a href=\"http:\/\/elg.is\/?attachment_id=1634\" rel=\"attachment wp-att-1634\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"500\" class=\"alignnone size-full wp-image-1634\" alt=\"northern lights1\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights1.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights1.jpg 760w, https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights1-300x197.jpg 300w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/><\/a><\/p>\n<p>4. Ma\u00f0ur \u00fearf yfirleitt a\u00f0 \u201ehitta \u00e1 \u00fea\u00f0\u201c \u00ed \u00feessum myndat\u00f6kum en gott er a\u00f0 vinna \u00fat fr\u00e1 \u00fev\u00ed sem geti\u00f0 er um \u00ed li\u00f0 1-3. Nor\u00f0urlj\u00f3sin eru \u00e6\u00f0i mismunandi a\u00f0 styrkleika og stilling sem virka\u00f0i vel \u00ed g\u00e6r \u00fearf ekki endilega a\u00f0 gera \u00fea\u00f0 \u00ed dag. Fyrst tekur ma\u00f0ur eina til tv\u00e6r myndir og sko\u00f0ar \u00fatkomuna.&nbsp; Ef myndin er undirl\u00fdst lengir ma\u00f0ur l\u00fdsingart\u00edmann e\u00f0a st\u00e6kkar lj\u00f3sop. E\u00f0a h\u00e6kkar ISO sem eykur lj\u00f3sn\u00e6mi\u00f0. Og \u00f6fugt ef myndin er yfirl\u00fdst. Finndu bestu \u00fatkomuna.&nbsp; \u00deetta kemur me\u00f0 \u00e6fingunni.<\/p>\n<p>5. \u00dea\u00f0 getur veri\u00f0 all sn\u00fai\u00f0 a\u00f0 n\u00e1 f\u00f3kus \u00ed myrkrinu. Auto-focus kerfi\u00f0 \u00fearf alltaf a\u00f0 hafa eitthva\u00f0 lj\u00f3s til a\u00f0 vinna me\u00f0. \u00de\u00fa g\u00e6tir hugsanlega teki\u00f0 f\u00f3kusinn \u00e1 sk\u00e6ra stj\u00f6rnu e\u00f0a eitthva\u00f0 lj\u00f3s \u00ed fjarska. Jafnvel hlaupi\u00f0 me\u00f0 vasalj\u00f3s 10-20 metra og teki\u00f0 f\u00f3kusinn \u00e1 \u00fea\u00f0. \u00deegar \u00fe\u00fa hefur n\u00e1\u00f0 f\u00f3kus \u00fe\u00e1 er heillr\u00e1\u00f0 a\u00f0 setja linsuna \u00e1 manual f\u00f3kus (litli A\/M takkinn \u00e1 linsunni), stilla s\u00ed\u00f0an myndefni\u00f0 af \u00ed glugganum og skr\u00fafa v\u00e9lina \u00ed fasta st\u00f6\u00f0u \u00e1 \u00fer\u00edf\u00e6tinum \u00e1\u00f0ur en smellt er af. Ef f\u00f3kusinn \u00e1 linsunni er \u00e1fram \u00e1 auto g\u00e6ti h\u00fan fari\u00f0 a\u00f0 leita a\u00f0 f\u00f3kus \u00ed myrkrinu. Besta r\u00e1\u00f0i\u00f0 er hins vegar a\u00f0 nota Infinity f\u00f3kus (er samt ekki&nbsp; \u00e1 \u00f6llum linsum) \u00fev\u00ed \u00fe\u00e1 ertu \u00f6ruggur. <a href=\"http:\/\/www.school-of-digital-photography.com\/2013\/11\/infinity-focusing-what-is-it-how-does-it-work-how-to-manually-set-a-lens-without-a-distance-scale-to-focus-on-infinity.html\">Lesa m\u00e1 n\u00e1nar um Infinity focus h\u00e9r.<\/a><\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_1635\" class=\"thumbnail wp-caption alignnone\" style=\"width: 560px\"><a href=\"http:\/\/elg.is\/?attachment_id=1635\" rel=\"attachment wp-att-1635\"><img loading=\"lazy\" decoding=\"async\" width=\"560\" height=\"805\" class=\"size-full wp-image-1635\" alt=\"H\u00e9r \u00e1tti \u00e9g \u00ed erfi\u00f0leikum me\u00f0 a\u00f0 n\u00e1 f\u00f3kus. Leysti \u00fea\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 hlaupa me\u00f0 vasalj\u00f3s og setja \u00fea\u00f0 \u00e1 \u00feakhorn kofans. Hlj\u00f3p til baka, t\u00f3k f\u00f3kusinn \u00e1 lj\u00f3si\u00f0, setti linsuna \u00e1 manual f\u00f3kus, stillti myndefni\u00f0 af \u00ed glugganum og n\u00e1\u00f0i s\u00ed\u00f0an \u00ed lj\u00f3si\u00f0 \u00e1\u00f0ur en \u00e9g smellti af.\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights2.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights2.jpg 560w, https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights2-208x300.jpg 208w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><figcaption class=\"caption wp-caption-text\"><em><strong>H\u00e9r \u00e1tti \u00e9g \u00ed erfi\u00f0leikum me\u00f0 a\u00f0 n\u00e1 f\u00f3kus vegna myrkurs.&nbsp;Leysti \u00fea\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 hlaupa me\u00f0 vasalj\u00f3s og setja \u00fea\u00f0 \u00e1 \u00feakhorn kofans. Hlj\u00f3p til baka, t\u00f3k f\u00f3kusinn \u00e1 lj\u00f3si\u00f0, setti linsuna \u00e1 manual f\u00f3kus, stillti myndefni\u00f0 af \u00ed glugganum og n\u00e1\u00f0i s\u00ed\u00f0an \u00ed lj\u00f3si\u00f0 \u00e1\u00f0ur en \u00e9g smellti af. Tungli\u00f0 s\u00e1 um a\u00f0 l\u00fdsa upp forgrunninn.<\/strong><\/em><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>6. Nota\u00f0u glei\u00f0asta horn linsunnar. For\u00f0astu a\u00f0 nota a\u00f0dr\u00e1tt.<\/p>\n<p>7. Ef \u00fe\u00fa ert ekki me\u00f0 afhleypara, stilltu \u00fe\u00e1 t\u00edmastillinn \u00e1 myndav\u00e9linni \u00e1 2sek og l\u00e1ttu hana smella af sj\u00e1lfa. \u00dea\u00f0 getur myndast hreyfing \u00feegar \u00fer\u00fdst er \u00e1 gikkinn \u00e1 myndav\u00e9linni . \u00deetta er allt vo\u00f0a vi\u00f0kv\u00e6mt fyrir hreyfingu.<\/p>\n<p>8. Haf\u00f0u hendina fyrir glugganum \u00e1 myndav\u00e9linni (viewfinder) e\u00f0a stattu fyrir aftan hana me\u00f0an \u00e1 l\u00fdsingart\u00edmanum stendur. \u00c1 \u00feetta l\u00f6ngum l\u00fdsingart\u00edma er s\u00fa h\u00e6tta fyrir hendi a\u00f0 lj\u00f3s l\u00e6\u00f0ist inn \u00e1 v\u00e9lina \u201ebakdyrameginn\u201c. Passa\u00f0u \u00feig samt \u00e1 a\u00f0 snerta hvorki myndav\u00e9lina e\u00f0a \u00fer\u00edf\u00f3tinn.<\/p>\n<p>9. Alls ekki vera me\u00f0 filter framan \u00e1 linsunni \u00ed svona myndt\u00f6kum. \u00de\u00e1 eru yfirgn\u00e6fandi l\u00edkur \u00e1 a\u00f0 \u00fe\u00fa f\u00e1ir mj\u00f6g torkennilega hringi \u00ed mi\u00f0ju myndarinnar. Margir eru alltaf me\u00f0 Skylight\/UV filter framan \u00e1 linsunni og nota hann sem hl\u00edf\u00f0argler. Betra er j\u00fa a\u00f0 filterinn skemmist heldur en gleri\u00f0 \u00e1 linsunni ef \u00f3happ ver\u00f0ur. Og af \u00fev\u00ed ma\u00f0ur er vanur a\u00f0 hafa filterinn \u00e1, \u00fe\u00e1 gleymist a\u00f0 taka hann af.<\/p>\n<figure id=\"attachment_1636\" class=\"thumbnail wp-caption alignnone\" style=\"width: 643px\"><a href=\"http:\/\/elg.is\/?attachment_id=1636\" rel=\"attachment wp-att-1636\"><img loading=\"lazy\" decoding=\"async\" width=\"643\" height=\"508\" class=\" wp-image-1636\" alt=\"\u00deetta gerist ef \u00fe\u00fa ert me\u00f0 filter framan \u00e1 linsunni.\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/11\/hringir.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/hringir.jpg 740w, https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/hringir-300x237.jpg 300w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/a><figcaption class=\"caption wp-caption-text\"><em><strong>\u00deetta gerist ef \u00fe\u00fa ert me\u00f0 filter framan \u00e1 linsunni.<\/strong><\/em><\/figcaption><\/figure>\n<p>10. H\u00e6gt er a\u00f0 fylgjast me\u00f0 nor\u00f0urlj\u00f3sasp\u00e1 \u00e1 <a href=\"http:\/\/www.vedur.is\/vedur\/spar\/nordurljos\/\">vef Ve\u00f0urstofunnar, sj\u00e1 h\u00e9r.<\/a><\/p>\n<p>11. \u00c6fingin skapar meistarann. \u00dea\u00f0 er ekkert v\u00edst a\u00f0 fyrsta nor\u00f0urlj\u00f3samyndatakan heppnist hj\u00e1 \u00fe\u00e9r. En \u00fe\u00fa fer\u00f0 allavega reynslunni r\u00edkari \u00ed \u00fe\u00e1 n\u00e6stu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oft er \u00e9g spur\u00f0ur um r\u00e1\u00f0 var\u00f0andi nor\u00f0urlj\u00f3sa-myndat\u00f6kur og \u00fev\u00ed \u00e1kva\u00f0 \u00e9g a\u00f0 skrifa ni\u00f0ur helstu t\u00e6knilegu atri\u00f0in sem snerta \u00feetta s\u00edvins\u00e6la vi\u00f0fangsefni. 1. L\u00fdsingart\u00edminn er yfirleitt 15-20 sek\u00fandur. \u00deetta fer au\u00f0vita\u00f0 eftir \u00fev\u00ed hversu sterk nor\u00f0urlj\u00f3sin eru hverju sinni. &hellip; <a href=\"https:\/\/elg.is\/?p=1633\">Continued<\/a><\/p>\n","protected":false},"author":2,"featured_media":1634,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"kt_blocks_editor_width":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[7],"tags":[11,79],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/elg.is\/wp-content\/uploads\/2014\/11\/northern-lights1.jpg","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9GOIz-ql","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1633"}],"collection":[{"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1633"}],"version-history":[{"count":7,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1633\/revisions"}],"predecessor-version":[{"id":2677,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1633\/revisions\/2677"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/media\/1634"}],"wp:attachment":[{"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}