{"id":608,"date":"2007-10-15T22:09:54","date_gmt":"2007-10-15T13:09:54","guid":{"rendered":"https:\/\/regex.info\/blog\/2007-10-15\/608"},"modified":"2007-12-11T16:51:26","modified_gmt":"2007-12-11T07:51:26","slug":"pesky-burrs-and-extreme-macro-photography","status":"publish","type":"post","link":"https:\/\/regex.info\/blog\/2007-10-15\/608","title":{"rendered":"Pesky Burrs and Extreme Macro Photography"},"content":{"rendered":"\n\n<p>In the park with Anthony today, <span class='nobr'>I brushed<\/span> up against <span class='nobr'>a plant<\/span> that left\nmy arm plastered with seed pods that apparently became molecularly bonded\nto my shirt and skin. They were exceedingly difficult to remove. When <span class='nobr'>I was<\/span>\nactually able to pry one away, it stuck just as well to my fingers. <span class='nobr'>I could<\/span> feel it grabbing onto my <i>fingerprints<\/i>.<\/p>\n\n<p>If I could then somehow flick it with enough force to propel it away\nfrom my finger, it would generally manage to land on my pant leg, which\nstarted the whole process over.<\/p>\n\n<p>I'm not sure I've totally eradicated them from my skin\/clothes, but <span class='nobr'>I\nthought<\/span> to <b>very carefully<\/b> take some in <span class='nobr'>a plastic<\/span> bag (about the only\nthing they didn't adhere to) home for some super-close-up photography.<\/p>\n\n<p>They came in pods of four or five seeds. Here's <span class='nobr'>a close<\/span> up of about 1cm length of the pod...<\/p>\n\n<div class='ic'><a name='039153' href=\"\/i\/JEF_039153.jpg\"\n><img loading=\"lazy\" decoding=\"async\" src=\"\/i\/JEF_039153_sm.jpg\" width=\"690\" height=\"462\"\nalt=\"Pesky Seeds Covered with Incredibly Tenacious Burrs -- Kyoto, Japan -- Copyright 2007 Jeffrey Eric Francis Friedl, https:\/\/regex.info\/blog\/\"\nid=\"i039153\"\ntitle=\"An extreme macro closeup of a burr-covered sead pod, taken with a Sigma 30mm f\/1.4 reverse-mounted on a D200 with a BR-2A adapter, lit by firing a Nikon SB-800 flash from the side\"\/><\/a>\n<br\/><span class=\"camera-info robots-nocontent\">Nikon D200 + reversed Sigma 30mm f\/1.4 &mdash; <sup>1<\/sup><big>\/<\/big>250 sec, f\/16, ISO 320, SB-800 at <sup>1<\/sup><big>\/<\/big>32nd power &mdash;\n<a  href=\"\/imageinfo.cgi?url=http%3A%2F%2Fregex.info%2Fi%2FJEF_039153.jpg\">full exif<\/a><\/span>\n<br\/><span class='caption'>Pesky Seeds Covered with Incredibly Tenacious Burrs<\/span>\n<\/div>\n\n<p>(I spent some time researching what kind of plant they're from, but <span class='nobr'>I came<\/span> up empty. <a href=\"http:\/\/www.barnes-botany.co.uk\/\">Peter<\/a>, any ideas?)<\/p>\n\n<p>The barbs are not visible to the naked eye, and just barely in this extreme closeup.<\/p>\n\n<p>It's difficult to get a sense of scale, so to offer some help with that,\nhere is <span class='nobr'>a section<\/span> of the hook part of the Velcro&trade; closure on my\ncamera flash's pouch, at the same scale as above.<\/p>\n\n<div class='ic'><a name='039157' href=\"\/i\/JEF_039157.jpg\"\n><img loading=\"lazy\" decoding=\"async\" src=\"\/i\/JEF_039157_sm.jpg\" width=\"690\" height=\"462\"\nalt=\"Velcro Hooks, at the Same Scale -- Kyoto, Japan -- Copyright 2007 Jeffrey Eric Francis Friedl, https:\/\/regex.info\/blog\/\"\nid=\"i039157\"\nphotostream=\"misc\"\ntitle=\"An extreme macro closeup of the Velcro hooks on my Nikon SB-800 flash pouch closure, taken with Sigma 30mm f\/1.4 reverse-mounted on a D200 with a BR-2A adapter, lit by firing a Nikon SB-800 flash into a tissue draped over the target area\"\/><\/a>\n\n<br\/><span class=\"camera-info robots-nocontent\">Same setup as above, but with the SB-800 at <sup>1<\/sup><big>\/<\/big>8th power into a tissue covering the target area &mdash;\n<a  href=\"\/imageinfo.cgi?url=http%3A%2F%2Fregex.info%2Fi%2FJEF_039157.jpg\">full exif<\/a><\/span>\n<br\/><span class='caption'>Velcro Hooks, at the Same Scale<\/span>\n<\/div>\n\n<p>I'll write more about how I took these pictures, with additional examples, another day... (<b>UPDATE<\/b>: <a href=\"\/blog\/2007-10-16\/609\">here<\/a>)<\/p>\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>In the park with Anthony today, I brushed up against a plant that left my arm plastered with seed pods that apparently became molecularly bonded to my shirt and skin. They were exceedingly difficult to remove. When I was actually able to pry one away, it stuck just as well to my fingers. I could feel it grabbing onto my fingerprints.<\/p> <p>If I could then somehow flick it with enough force to propel it away from my finger, it would generally manage to land on my pant leg, which started the whole process over.<\/p> <p>I'm not sure I've totally eradicated [...]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts\/608"}],"collection":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/comments?post=608"}],"version-history":[{"count":0,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts\/608\/revisions"}],"wp:attachment":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/media?parent=608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/categories?post=608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/tags?post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}