{"id":8249,"date":"2026-09-19T22:54:16","date_gmt":"2026-09-19T22:54:16","guid":{"rendered":"https:\/\/www.4k-raiders.com\/?page_id=8249"},"modified":"2026-09-19T22:54:17","modified_gmt":"2026-09-19T22:54:17","slug":"metabones-speed-booster-ultra","status":"publish","type":"page","link":"https:\/\/www.4k-raiders.com\/en\/rental-equipment\/lenses\/metabones-speed-booster-ultra\/","title":{"rendered":"Metabones Speed Booster ULTRA"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#353839&#8243; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_direction=&#8221;90deg&#8221; background_color_gradient_stops=&#8221;#0a0000 0%|rgba(41,196,169,0) 20%|rgba(41,196,169,0) 80%|#0a0101 100%&#8221; custom_padding=&#8221;1px||2px|||&#8221; border_radii=&#8221;off||||&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#FFFFFF&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; max_width=&#8221;2160px&#8221; custom_margin=&#8221;|auto||auto|false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#FFFFFF&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#b5b200&#8243; text_font_size=&#8221;15px&#8221; min_height=&#8221;17.8px&#8221; custom_margin=&#8221;||5px|||&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Adapter<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;Metabones Speed Booster ULTRA&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; title_text_align=&#8221;center&#8221; title_text_color=&#8221;#FFFFFF&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#FFFFFF&#8221; text_font_size=&#8221;20px&#8221; min_height=&#8221;133px&#8221; custom_padding=&#8221;||20px|7px||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Description:<\/p>\n<p>An optical adapter for using Canon EF lenses on Micro Four Thirds cameras. Its 0.71\u00d7 focal reducer design reduces the crop factor, provides a wider field of view and increases the effective maximum aperture by approximately one stop.<\/p>\n<p>&nbsp;<\/p>\n<p>Details:<\/p>\n<p>On a Micro Four Thirds camera, the usual 2\u00d7 crop factor is reduced to approximately 1.42\u00d7, bringing the field of view of Full Frame and APS-C EF lenses much closer to their original coverage. For example, a 50 mm f\/1.4 lens has optical characteristics of approximately 35.5 mm f\/1.0 when used with the adapter.<\/p>\n<p>The electronic EF version supports camera-controlled aperture, lens image stabilisation and autofocus with compatible combinations. It is particularly useful for filmmaking with Panasonic, Olympus and other MFT cameras.<\/p>\n<p>&nbsp;<\/p>\n<p>Technical specifications:<\/p>\n<ul>\n<li>Lens-side mount: Canon EF<\/li>\n<li>Camera-side mount: Micro Four Thirds<\/li>\n<li>Focal reducer: 0.71\u00d7<\/li>\n<li>Effective MFT crop factor: approximately 1.42\u00d7<\/li>\n<li>Effective aperture gain: approximately 1 stop<\/li>\n<li>Maximum effective aperture: f\/0.9 with a suitable lens<\/li>\n<li>Optical construction: 5 elements in 4 groups<\/li>\n<li>Electronic aperture control<\/li>\n<li>Autofocus support with compatible camera and lens combinations<\/li>\n<li>Lens stabilisation \/ IS support<\/li>\n<li>EXIF data transmission<\/li>\n<li>Compatible with Full Frame Canon EF lenses<\/li>\n<li>Third-party EF-mount APS-C lenses can also be used; vignetting may occur depending on the lens<\/li>\n<li>Canon EF-S lenses are not officially supported<\/li>\n<li>Removable Arca-Swiss-compatible tripod foot<\/li>\n<li>Weight: approximately 200 g<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#FFFFFF&#8221; text_font_size=&#8221;30px&#8221; min_height=&#8221;100.6px&#8221; custom_margin=&#8221;20px||20px||false|false&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#FFFFFF&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\">Daily rental rate:<\/p>\n<p style=\"text-align: center;\">8,000 HUF + VAT<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.4k-raiders.com\/wp-content\/uploads\/2026\/08\/Metabones-Speed-Booster-ULTRA-0.71x-Adapter-Canon-EF-\u2192-Micro-Four-Thirds.jpeg&#8221;   align=&#8221;center&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; alt=&#8221;Metabones Speed Booster ULTRA&#8221; title_text=&#8221;Metabones Speed Booster ULTRA&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adapter Description:An optical adapter for using Canon EF lenses on Micro Four Thirds cameras. Its 0.71\u00d7 focal reducer design reduces the crop factor, provides a wider field of view and increases the effective maximum aperture by approximately one stop.&nbsp;Details:On a Micro Four Thirds camera, the usual 2\u00d7 crop factor is reduced to approximately 1.42\u00d7, bringing [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":7865,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-8249","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/pages\/8249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/comments?post=8249"}],"version-history":[{"count":5,"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/pages\/8249\/revisions"}],"predecessor-version":[{"id":8254,"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/pages\/8249\/revisions\/8254"}],"up":[{"embeddable":true,"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/pages\/7865"}],"wp:attachment":[{"href":"https:\/\/www.4k-raiders.com\/en\/wp-json\/wp\/v2\/media?parent=8249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}