{"id":59,"date":"2026-06-09T21:25:26","date_gmt":"2026-06-09T21:25:26","guid":{"rendered":"http:\/\/tmchtai.cluster121.hosting.ovh.net\/?page_id=59"},"modified":"2026-09-04T14:29:44","modified_gmt":"2026-09-04T14:29:44","slug":"cianotipia","status":"publish","type":"page","link":"https:\/\/bottegaluci.it\/index.php\/tecniche-praticate\/cianotipia\/","title":{"rendered":"Cyanotype"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Cyanotype is an ancient photographic printing technique (invented in 1842) that utilises the UV component of sunlight to produce images. Exposure of photosensitive iron salts (green ferric ammonium citrate mixed with potassium ferricyanide) to UV rays produces the characteristic, brilliant Prussian blue colour; a wash with hydrogen peroxide deepens the tones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bottega Luci uses a homemade UV exposure unit, with 365nm UV LED light, to produce cyanotype photographic prints on rough 100% cotton paper, in various formats.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some examples of cyanotype photographs from Bottega Luci\u2019s portfolio.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"728\" data-id=\"213\" src=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-00400.png\" alt=\"\" class=\"wp-image-213\" srcset=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-00400.png 1000w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-00400-300x218.png 300w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-00400-768x559.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"741\" data-id=\"210\" src=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-sito100-1024x741.png\" alt=\"\" class=\"wp-image-210\" srcset=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-sito100-1024x741.png 1024w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-sito100-300x217.png 300w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-sito100-768x556.png 768w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-sito100-1536x1112.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"816\" height=\"596\" src=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-insta-11.png\" alt=\"\" class=\"wp-image-205\" srcset=\"https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-insta-11.png 816w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-insta-11-300x219.png 300w, https:\/\/bottegaluci.it\/wp-content\/uploads\/2026\/06\/ciano-insta-11-768x561.png 768w\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Cyanotype is an ancient photographic printing technique (invented in 1842) that utilises the UV component of sunlight to produce images. Exposure of photosensitive iron salts (green ferric ammonium citrate mixed with potassium ferricyanide) to UV rays produces the characteristic, brilliant Prussian blue colour; a wash with hydrogen peroxide deepens the tones. Bottega Luci uses a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":49,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/pages\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":13,"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/pages\/59\/revisions"}],"predecessor-version":[{"id":390,"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/pages\/59\/revisions\/390"}],"up":[{"embeddable":true,"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/pages\/49"}],"wp:attachment":[{"href":"https:\/\/bottegaluci.it\/index.php\/wp-json\/wp\/v2\/media?parent=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}