{"product_id":"canon-ef-1-4x-iii-extender","title":"Canon EF 1.4X III Extender","description":"\u003cp\u003eThe\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eCanon EF 1.4X III Extender\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile and high-performance teleconverter designed for professional photographers and videographers using Canon EF-mount lenses. This device magnifies the focal length of compatible lenses by a factor of 1.4x, effectively increasing the reach of a lens while maintaining high image quality. Whether\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eused for wildlife, sports, or landscape photography\u003c\/strong\u003e, the EF 1.4X III offers an efficient way to extend the reach of existing gear without requiring an entirely new, longer telephoto lens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign and Build Quality\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eEF 1.4X III is constructed to withstand the demands of professional use. With a durable and compact build, it maintains Canon’s reputation for producing weather-sealed, rugged accessories. The extender features a metal mount and\u003cstrong\u003e \u003c\/strong\u003ea\u003cstrong\u003e robust outer casing that helps protect the delicate internal components from the elements.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt is also compatible with Canon's lens and camera systems, including full-frame and APS-C sensors, making it a versatile option for a wide range of shooting conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCanon has carefully designed the EF 1.4X III to minimize optical compromises often associated with using teleconverters.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eThis model features improved coatings and optics, ensuring sharpness and contrast even when the focal length is extended.\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eThe extender uses advanced lens elements, including fluorite and UD (Ultra-low Dispersion) glass, to reduce chromatic aberrations and ghosting.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWhile there is a slight reduction in light transmission—typically around one stop—the image quality remains impressive, especially in controlled lighting conditions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne of the standout features of the EF 1.4X III is its broad compatibility with many Canon\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etelephoto lenses, including both prime and zoom lenses.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe extender also communicates with the camera body, transmitting metadata like aperture and\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003efocal length, ensuring that autofocus, metering, and other functions work smoothly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutofocus and Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile using a teleconverter\u003cspan\u003e generally results in a reduction in autofocus speed and accuracy,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ethe EF 1.4X III extender is engineered to minimize this impact. It works well with most Canon lenses, maintaining fast and reliable autofocus, particularly when paired with lenses that have wide maximum apertures (such as f\/2.8 lenses). However,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elenses with slower maximum apertures may experience some slowdown in focusing performance, especially in low-light situations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConclusion\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Canon EF 1.4X III Extender\u003cspan\u003e \u003c\/span\u003eis a highly effective tool for photographers who need to extend the reach of their lenses without sacrificing too much in terms of image quality. \u003cstrong\u003eIts compact design, robust build, and high optical performance\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emake it an excellent addition to any Canon photographer’s gear collection, especially for those who work in fast-paced environments or require more flexibility with their telephoto lenses.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"title_1tNQ83iPOOgJ6m5fVkxmSw\"\u003e\n\u003ch2 data-selenium=\"specsItemTitle\" class=\"text_2iIiQM2M98BvhYsiaXaYuw comfy_3Tv67P0yhL_J6BIUitJ2zo sizeTitle1_1zfM7_vQc3Dj448B46wR81 weightNormal_SF-rc73z4mkRlFO4x_Sh4 primary_ELb2ysditdCtk24iMBTUs\"\u003eCanon 4409B002\u003cspan\u003e \u003c\/span\u003eSpecs\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"group_K7YrQottgVsRZ4B6zAaGG\"\u003e\n\u003ctable class=\"table_o418fscimQZEg1oshu4aX\" data-selenium=\"specsItemGroupTable\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL firstSpecWhenNoGroupName_2L9ob5rxYHNpmiwoNrY0FE\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eMount\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v firstSpecWhenNoGroupName_2L9ob5rxYHNpmiwoNrY0FE\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003eCanon EF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eMagnification\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e1.4x\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e7 Elements in 3 Groups\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eLight Loss\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e1 Stop\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eLength\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e1.1\" \/ 27.2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eDiameter\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e2.8\" \/ 72 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"pair_3u9fnESIQrtuEu6ye_zM4k\" data-selenium=\"specsItemGroupTableRow\"\u003e\n\u003ctd class=\"label_3bLwbW8ibvYc5tUwpKVQsL\" data-selenium=\"specsItemGroupTableColumnLabel\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"value_11Av1yGkVYn9TX48mQeu9v\" data-selenium=\"specsItemGroupTableColumnValue\"\u003e\u003cspan\u003e7.9 oz \/ 225 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Canon","offers":[{"title":"Default Title","offer_id":46159308685462,"sku":"3334901","price":604.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/9293\/6598\/files\/CanonEF1.4XIIIExtender1.jpg?v=1768041651","url":"https:\/\/venekto.com\/products\/canon-ef-1-4x-iii-extender","provider":"Venekto INC.","version":"1.0","type":"link"}