{"id":141571,"date":"2026-11-06T07:27:49","date_gmt":"2026-11-06T06:27:49","guid":{"rendered":"https:\/\/cinegear.nl\/product\/irix-15mm-f-2-4-firefly-lens-for-pentax-k\/"},"modified":"2026-11-06T07:27:49","modified_gmt":"2026-11-06T06:27:49","slug":"irix-15mm-f-2-4-firefly-lens-for-pentax-k","status":"publish","type":"product","link":"https:\/\/cinegear.nl\/nl\/product\/irix-15mm-f-2-4-firefly-lens-for-pentax-k\/","title":{"rendered":"Irix 15mm f\/2.4 Firefly Lens for Pentax K"},"content":{"rendered":"<div class=\"row\"  id=\"row-1429269733\">\n\n\t<div id=\"col-549527295\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2339508645\" class=\"text\">\n\t\t\n<h3><strong>Overzicht<\/strong><\/h3>\n\t\t\n<style>\n#text-2339508645 {\n  font-size: 1.2rem;\n}\n@media (min-width:550px) {\n  #text-2339508645 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-549527295 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 0px 0px -20px 0px;\n}\n@media (min-width:550px) {\n  #col-549527295 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-2095094080\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2681856876\" class=\"text\">\n\t\t\n<p>The Irix 15mm f\/2.4 Firefly Lens for Pentax K is a wide-angle prime lens with full-frame coverage and a 110\u00b0 angle of view. Its optical design combines low-dispersion, aspherical and high-refractive elements with a Neutrino coating.<\/p>\n<p>The lens features manual focus, a focus lock, depth-of-field and focus-distance scales, and a weather-sealed ABS plastic housing. Its optical construction is designed to control distortion and spherical and chromatic aberrations while maintaining contrast and natural color rendering.<\/p>\n\t\t\n<style>\n#text-2681856876 {\n  font-size: 0.9rem;\n}\n@media (min-width:550px) {\n  #text-2681856876 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-2095094080 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 0px 0px -30px 0px;\n}\n@media (min-width:550px) {\n  #col-2095094080 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<style>\n#row-1429269733 > .col > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n@media (min-width:550px) {\n  #row-1429269733 > .col > .col-inner {\n    padding: 0px 0px 10px 0px;\n  }\n}\n<\/style>\n<\/div>\n<div class=\"is-divider divider clearfix\" style=\"max-width:1600px;height:2px;\"><\/div>\n<div class=\"row\"  id=\"row-1673797866\">\n\n\t<div id=\"col-413001918\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-872432319\" class=\"text\">\n\t\t\n<h3><strong>Features<\/strong><\/h3>\n\t\t\n<style>\n#text-872432319 {\n  font-size: 1.2rem;\n}\n@media (min-width:550px) {\n  #text-872432319 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-413001918 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 7px 0px -20px 0px;\n}\n@media (min-width:550px) {\n  #col-413001918 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1074210152\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1674091825\" class=\"text\">\n\t\t\n<ul>\n<li>Optical construction consists of 15 elements in 11 groups.<\/li>\n<li>Neutrino coating is applied to the lens optics.<\/li>\n<li>A rounded nine-blade diaphragm is used.<\/li>\n<li>The rubberized focus ring supports manual focusing.<\/li>\n<li>Depth-of-field and focus-distance scales are provided.<\/li>\n<li>The housing is made from weather-sealed ABS plastic.<\/li>\n<li>The lens does not include image stabilization.<\/li>\n<li>The lens accepts 95 mm front filters and a rear gel filter.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-1674091825 {\n  font-size: 0.9rem;\n}\n@media (min-width:550px) {\n  #text-1674091825 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1074210152 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 0px 0px -30px 0px;\n}\n@media (min-width:550px) {\n  #col-1074210152 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<style>\n#row-1673797866 > .col > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n@media (min-width:550px) {\n  #row-1673797866 > .col > .col-inner {\n    padding: 30px 0px 10px 0px;\n  }\n}\n<\/style>\n<\/div>\n<div class=\"is-divider divider clearfix\" style=\"max-width:1600px;height:2px;\"><\/div>\n<div class=\"row\"  id=\"row-597576141\">\n\n\t<div id=\"col-982141424\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3647752590\" class=\"text\">\n\t\t\n<h3><strong>Included<br \/>\n<\/strong><\/h3>\n\t\t\n<style>\n#text-3647752590 {\n  font-size: 1.2rem;\n}\n@media (min-width:550px) {\n  #text-3647752590 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-982141424 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 7px 0px -20px 0px;\n}\n@media (min-width:550px) {\n  #col-982141424 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1090956216\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3137049802\" class=\"text\">\n\t\t\n<ul>\n<li>IRIX 15mm f\/2.4 Firefly Lens for Pentax K<\/li>\n<li>IRIX 95mm Front Lens Cap for 15mm f\/2.4 Blackstone or Firefly<\/li>\n<li>2 x IRIX Rear Cap for Pentax K-Mount Lenses<\/li>\n<li>IRIX Lens Hood for 15mm f\/2.4<\/li>\n<li>IRIX Soft Lens Pouch (Gray)<\/li>\n<\/ul>\n\t\t\n<style>\n#text-3137049802 {\n  font-size: 0.9rem;\n}\n@media (min-width:550px) {\n  #text-3137049802 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1090956216 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 0px 0px -30px 0px;\n}\n@media (min-width:550px) {\n  #col-1090956216 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<style>\n#row-597576141 > .col > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n@media (min-width:550px) {\n  #row-597576141 > .col > .col-inner {\n    padding: 30px 0px 10px 0px;\n  }\n}\n<\/style>\n<\/div>\n<div class=\"is-divider divider clearfix\" style=\"max-width:1600px;height:2px;\"><\/div>\n<div class=\"row\"  id=\"row-1756238359\">\n\n\t<div id=\"col-1389466988\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2900921777\" class=\"text\">\n\t\t\n<h3><strong>Specifications<\/strong><\/h3>\n\t\t\n<style>\n#text-2900921777 {\n  font-size: 1.2rem;\n}\n@media (min-width:550px) {\n  #text-2900921777 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1389466988 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 7px 0px -20px 0px;\n}\n@media (min-width:550px) {\n  #col-1389466988 > .col-inner {\n    padding: 0px 0px 0px 0px;\n    margin: 0px 0px 0px 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-173043038\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-516619797\" class=\"text\">\n\t\t\n<table>\n<tbody>\n<tr>\n<th>Focal Length<\/th>\n<td>15mm<\/td>\n<\/tr>\n<tr>\n<th>Aperture<\/th>\n<td>Maximum: f\/2.4 Minimum: f\/22<\/td>\n<\/tr>\n<tr>\n<th>Lens Mount<\/th>\n<td>Pentax K<\/td>\n<\/tr>\n<tr>\n<th>Lens Format Coverage<\/th>\n<td>Full-Frame<\/td>\n<\/tr>\n<tr>\n<th>Angle of View<\/th>\n<td>110\u00b0<\/td>\n<\/tr>\n<tr>\n<th>Minimum Focus Distance<\/th>\n<td>11&quot; \/ 28 cm<\/td>\n<\/tr>\n<tr>\n<th>Optical Design<\/th>\n<td>15 Elements in 11 Groups<\/td>\n<\/tr>\n<tr>\n<th>Aperture\/Iris Blades<\/th>\n<td>9, Rounded<\/td>\n<\/tr>\n<tr>\n<th>Focus Type<\/th>\n<td>Manual Focus<\/td>\n<\/tr>\n<tr>\n<th>Image Stabilization<\/th>\n<td>No<\/td>\n<\/tr>\n<tr>\n<th>Filter Size<\/th>\n<td>95 mm (Front) Gel Filter (Rear)<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>4.5 x 3.9&quot; \/ 114 x 100 mm (Diameter x Length)<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td>1.3 lb \/ 581 g \/ 0.59 kg<\/td>\n<\/tr>\n<tr>\n<th>Package Weight<\/th>\n<td>2.525 lb \/ 1.15 kg<\/td>\n<\/tr>\n<tr>\n<th>Box Dimensions (LxWxH)<\/th>\n<td>7 x 5.6 x 5.5&quot; \/ 17.78 x 14.22 x 13.97 cm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\n<style>\n#text-516619797 {\n  font-size: 0.9rem;\n}\n@media (min-width:550px) {\n  #text-516619797 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-173043038 > .col-inner {\n  padding: 0px 0px 0px 0px;\n  margin: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<style>\n#row-1756238359 > .col > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n@media (min-width:550px) {\n  #row-1756238359 > .col > .col-inner {\n    padding: 30px 0px 10px 0px;\n  }\n}\n<\/style>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li>Pentax K-Mount\/Full-Frame Format<\/li>\n<li>Aperture Range: f\/2.4 to f\/22<\/li>\n<li>Two Aspherical Elements<\/li>\n<li>Two ED and Three HR Elements<\/li>\n<li>Neutrino Coating<\/li>\n<li>Manual Focus Design with Focus Lock<\/li>\n<li>Rubberized Focus Ring<\/li>\n<li>Depth of Field and Focus Distance Scales<\/li>\n<li>Weather-Sealed ABS Plastic Housing<\/li>\n<li>Rounded Nine-Blade Diaphragm<\/li>\n<\/ul>","protected":false},"featured_media":141556,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"pwb-brand":[9934],"product_cat":[10800],"product_tag":[],"class_list":["post-141571","product","type-product","status-publish","has-post-thumbnail","pwb-brand-irix","product_cat-wide-angle-foto-lens","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":{"supplier":"europepv","buy_price":"312.05","last_sync":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Irix 15mm f\/2.4 Firefly Lens for Pentax K | Cinegear Amsterdam<\/title>\n<meta name=\"description\" content=\"Pentax K-Mount\/Full-Frame Format Aperture Range: f\/2.4 to f\/22 Two Aspherical Elements Two ED and Three HR Elements Neutrino Coating 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