{"id":1449,"date":"2014-03-17T20:04:58","date_gmt":"2014-03-17T20:04:58","guid":{"rendered":"http:\/\/elg.is\/?p=1449"},"modified":"2019-05-01T22:34:49","modified_gmt":"2019-05-01T22:34:49","slug":"hinn-ljufi-trekantur","status":"publish","type":"post","link":"https:\/\/elg.is\/?p=1449","title":{"rendered":"Trekanturinn"},"content":{"rendered":"<p>Ein af upp\u00e1halds b\u00f3kunum \u00ed b\u00f3kasafninu m\u00ednu er <strong>Lj\u00f3smyndab\u00f3kin<\/strong> eftir <em>John Hedgecoe<\/em>. \u00deessi fr\u00e1b\u00e6ra handb\u00f3k er&nbsp;um allt sem vi\u00f0kemur lj\u00f3smyndun og kom fyrst \u00fat \u00e1ri\u00f0 1977. H\u00fan reyndist miki\u00f0 \u00fearfa\u00feing \u00feegar \u00e9g var a\u00f0 st\u00edga m\u00edn fyrstu skref sem \u00e1hugalj\u00f3smyndari fyrir hartn\u00e6r 30 \u00e1rum. \u00de\u00e1 haf\u00f0i ma\u00f0ur ekkert internet til a\u00f0 leita s\u00e9r \u00feekkingar og fr\u00e6\u00f0slu en b\u00f3kin s\u00fa arna reyndist fr\u00e1b\u00e6r lei\u00f0arv\u00edsir. Sumir hafa sagt hana vera Bibl\u00edu \u00e1hugalj\u00f3smyndarans.<\/p>\n<p>\u00der\u00e1tt fyrir \u00feennan aldur er b\u00f3kin enn \u00ed fullu gildi og stendur fyrir s\u00ednu, merkilegt nokk!<\/p>\n<p><a href=\"http:\/\/elg.is\/?attachment_id=1450\" rel=\"attachment wp-att-1450\"><img loading=\"lazy\" decoding=\"async\" width=\"448\" height=\"336\" class=\"wp-image-1450 alignleft\" alt=\"20140317_194311\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/03\/20140317_194311.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/20140317_194311.jpg 640w, https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/20140317_194311-300x225.jpg 300w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/><\/a><\/p>\n<p>H\u00fan er alls ekki \u00farelt \u00fe\u00f3 t\u00e6kni\u00fer\u00f3unin hafi veri\u00f0 mikil \u00e1 umli\u00f0num \u00e1rum me\u00f0 tilkomu stafr\u00e6nu t\u00e6kninnar. Lj\u00f3smyndun sn\u00fdst nefnilega enn\u00fe\u00e1 \u00ed \u00feremur meginatri\u00f0um um \u00fea\u00f0 sama og h\u00fan ger\u00f0i \u00feegar b\u00f3kin kom \u00fat. Og reyndar l\u00f6ngu \u00e1\u00f0ur. Lj\u00f3smyndun hefur alltaf sn\u00faist um \u00feessi \u00ferj\u00fa atri\u00f0i, oft k\u00f6llu\u00f0 <em>\u201eThe Exposure Triangle\u201c.<\/em><\/p>\n<p>\u00deau eru: Lj\u00f3sop, lokarahra\u00f0i og ISO (lj\u00f3sn\u00e6mi).<\/p>\n<p>\u00deetta eru \u00feau atri\u00f0i sem ma\u00f0ur \u00fearf alltaf a\u00f0 huga a\u00f0 \u00e1\u00f0ur en smellt er af.<br \/>\nSpurningin er&nbsp;\u00e1vallt s\u00fa sama:<br \/>\n<em><strong>Hversu miklu lj\u00f3smagni \u00e6tla \u00e9g a\u00f0 hleypa \u00ed gegnum linsuna og \u00e1 hve l\u00f6ngum t\u00edma?<\/strong><\/em><br \/>\n<a href=\"http:\/\/elg.is\/?attachment_id=1451\" rel=\"attachment wp-att-1451\"><img loading=\"lazy\" decoding=\"async\" width=\"426\" height=\"384\" class=\"wp-image-1451 alignleft\" alt=\"Exposure-Triangle\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/03\/Exposure-Triangle.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/Exposure-Triangle.jpg 532w, https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/Exposure-Triangle-300x270.jpg 300w\" sizes=\"(max-width: 426px) 100vw, 426px\" \/><\/a><br \/>\n\u00deessi atri\u00f0i vinna saman og r\u00e1\u00f0a l\u00fdsingu myndarinnar.&nbsp; \u00deessa vegna heitir \u00feetta LJ\u00d3Smyndun \u2013 vi\u00f0 erum a\u00f0 vinna me\u00f0 lj\u00f3s.<\/p>\n<p>T\u00e6knileg f\u00e6rni lj\u00f3smyndarans veltur \u00e1 skilningi hans \u00e1 \u00feessum atri\u00f0um. \u00dev\u00ed betur sem hann kann skil \u00e1 \u00feeim \u00feess meiri stj\u00f3rn hefur hann \u00e1 \u00fev\u00ed sem hann er a\u00f0 gera.<\/p>\n<p>\u00deetta sn\u00fdst ekki eing\u00f6ngu um \u00fea\u00f0 a\u00f0 f\u00e1 r\u00e9tt l\u00fdsta mynd heldur l\u00edka HVERNIG h\u00fan er l\u00fdst \u2013 hva\u00f0a \u00e1fer\u00f0 vi\u00f0 erum a\u00f0 s\u00e6kjast eftir. &nbsp;Auto-stillingin \u00e1 myndav\u00e9linni hefur ekki hugmynd um \u00fea\u00f0!<\/p>\n<p>T\u00f6kum sem d\u00e6mi \u00feessar tv\u00e6r myndir a\u00f0 ne\u00f0an. Eins og sj\u00e1 m\u00e1 eru l\u00fdsingin \u00e1 \u00feeim n\u00e1kv\u00e6mlega s\u00fa sama.&nbsp; Samt sem \u00e1\u00f0ur eru hra\u00f0a- og lj\u00f3sopsstillingar \u00f3l\u00edkar. \u00d6nnur er tekin \u00e1 hra\u00f0anum 1\/160 vi\u00f0 lj\u00f3sop 8. Hin \u00e1 hra\u00f0anum 1\/15 vi\u00f0 lj\u00f3sop 22.<\/p>\n<p>Me\u00f0 h\u00e6gari lokarahra\u00f0a f\u00e6st meiri m\u00fdkt \u00ed hreyfingu vatnsins, sem virkar betur fyrir auga\u00f0.&nbsp; \u00deetta er gott a\u00f0 hafa \u00ed huga \u00feegar veri\u00f0 er a\u00f0 taka myndir af fjallal\u00e6kjum og minni fossum. Ef vi\u00f0 v\u00e6rum hins vegar a\u00f0 taka mynd af beljandi j\u00f6kulfossi, eins og \u00e1 myndinni af Dettifossi &nbsp;h\u00e9r fyrir ne\u00f0an, viljum vi\u00f0 au\u00f0vita\u00f0 s\u00fdna \u00f3gnarkraftinn \u00ed fossinum me\u00f0 \u00fev\u00ed a\u00f0 \u201efrysta\u201c hreyfinguna. \u00dea\u00f0&nbsp; gerum vi\u00f0 me\u00f0 \u00fev\u00ed a\u00f0 nota meiri lokarahra\u00f0a.<\/p>\n<p>L\u00e6r\u00f0u a\u00f0 nota myndav\u00e9lina \u00fe\u00edna \u00e1 \u00feennan h\u00e1tt. G\u00faggla\u00f0u \u201eThe Exposure Triangle\u201c og \u00fe\u00fa ver\u00f0ur margs v\u00edsari. Og ef \u00fe\u00fa veist ekki hvernig \u00e1 a\u00f0 stilla hra\u00f0a og lj\u00f3sop \u00e1 myndav\u00e9linni \u00feinni \u00fe\u00e1 fylgdi me\u00f0 henni l\u00edtil galdrab\u00f3k sem kallast lei\u00f0arv\u00edsir e\u00f0a \u201eUser Manual\u201c.<\/p>\n<p><a href=\"http:\/\/elg.is\/?attachment_id=1452\" rel=\"attachment wp-att-1452\"><img loading=\"lazy\" decoding=\"async\" width=\"790\" height=\"580\" class=\"alignnone size-full wp-image-1452\" alt=\"_MG_3142\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/03\/MG_3142.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/MG_3142.jpg 790w, https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/MG_3142-300x220.jpg 300w\" sizes=\"(max-width: 790px) 100vw, 790px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/elg.is\/?attachment_id=1453\" rel=\"attachment wp-att-1453\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"573\" class=\"alignnone size-full wp-image-1453\" alt=\"IMG_0128\" src=\"http:\/\/elg.is\/wp-content\/uploads\/2014\/03\/IMG_0128.jpg\" srcset=\"https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/IMG_0128.jpg 860w, https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/IMG_0128-300x199.jpg 300w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ein af upp\u00e1halds b\u00f3kunum \u00ed b\u00f3kasafninu m\u00ednu er Lj\u00f3smyndab\u00f3kin eftir John Hedgecoe. \u00deessi fr\u00e1b\u00e6ra handb\u00f3k er&nbsp;um allt sem vi\u00f0kemur lj\u00f3smyndun og kom fyrst \u00fat \u00e1ri\u00f0 1977. H\u00fan reyndist miki\u00f0 \u00fearfa\u00feing \u00feegar \u00e9g var a\u00f0 st\u00edga m\u00edn fyrstu skref sem \u00e1hugalj\u00f3smyndari &hellip; <a href=\"https:\/\/elg.is\/?p=1449\">Continued<\/a><\/p>\n","protected":false},"author":2,"featured_media":1450,"comment_status":"open","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":[59,58,10,60],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/elg.is\/wp-content\/uploads\/2014\/03\/20140317_194311.jpg","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9GOIz-nn","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1449"}],"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=1449"}],"version-history":[{"count":9,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1449\/revisions"}],"predecessor-version":[{"id":2682,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/posts\/1449\/revisions\/2682"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=\/wp\/v2\/media\/1450"}],"wp:attachment":[{"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elg.is\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}