{"product_id":"canon-ef-1-4x-iii-extender","title":"Canon EF 1.4X III Extender","description":"\u003ch2 data-path-to-node=\"0\"\u003eCanon Extender EF 1.4X III: Optimized Telephoto Reach\u003c\/h2\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe \u003cb\u003eCanon Extender EF 1.4X III\u003c\/b\u003e is a third-generation teleconverter designed to increase the focal length of compatible Canon EF telephoto and telephoto zoom lenses by a factor of 1.4x, with only a one-stop reduction in the effective aperture. This extender is highly regarded for its robust construction, improved optical performance, and advanced communication features, making it a crucial accessory for professional sports, wildlife, and nature photographers.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003eKey Features:\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb\u003e1.4x Magnification Factor:\u003c\/b\u003e Increases the focal length of the primary lens by 40%. For example, turning a 300mm lens into a 420mm lens.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb\u003eOne-Stop Aperture Reduction:\u003c\/b\u003e The use of the extender results in a one-stop decrease in the effective maximum aperture. For example, an f\/2.8 lens becomes an f\/4 lens.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb\u003eAdvanced Optical Design:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,1,0,0\"\u003eFeatures \u003cb\u003e7 elements in 3 groups\u003c\/b\u003e, ensuring high image quality across the entire image area.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,1,1,0\"\u003eIncludes a \u003cb\u003ecarefully positioned aspherical element\u003c\/b\u003e (in the third group) to minimize chromatic aberration and distortion, especially at the edges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,1,2,0\"\u003e\u003cb\u003eOptimized lens coatings\u003c\/b\u003e—including Canon's Super Spectra Coating—are used to minimize ghosting and flare that can occur when using extenders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb\u003eEnhanced Communication:\u003c\/b\u003e Features a \u003cb\u003ebuilt-in micro-computer\u003c\/b\u003e that provides improved communication between the lens and the camera body. This optimizes Auto Exposure (AE) and Auto Focus (AF) performance and ensures accurate recording of Exif data (correct focal length and aperture).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb\u003eRobust and Professional Construction:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3,4,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,1,0,0\"\u003eBuilt to the rigorous standards of Canon's L-series lenses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,1,1,0\"\u003e\u003cb\u003eHighly resistant to dust and moisture\u003c\/b\u003e, making it suitable for professional use in challenging outdoor environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb\u003eFluorine Coating:\u003c\/b\u003e The front and rear elements feature a fluorine coating, which helps to reduce smudges, fingerprints, and dirt, making the lens easier to clean.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,6,0\"\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e Designed to work specifically with a wide range of Canon EF telephoto and telephoto zoom lenses, maintaining superior image quality. \u003cb\u003eNote:\u003c\/b\u003e It is not compatible with all EF lenses; compatibility depends on the rear element clearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eBenefits:\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb\u003eExtended Reach:\u003c\/b\u003e Dramatically increases your telephoto capabilities without the need to carry a separate, longer, and heavier lens.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb\u003eHigh Image Quality:\u003c\/b\u003e The advanced optical formula ensures that sharpness and contrast remain excellent, minimizing the typical quality degradation associated with extenders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb\u003eProfessional Reliability:\u003c\/b\u003e Its weather-sealed construction guarantees performance and longevity, matching the durability of professional L-series lenses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb\u003ePrecise AF\/AE:\u003c\/b\u003e The integrated processor ensures that the camera's focusing and exposure systems function optimally, even with the extended focal length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \u003cb\u003eCanon Extender EF 1.4X III\u003c\/b\u003e is an essential piece of equipment for photographers who require the flexibility to quickly extend their focal length while maintaining the highest possible image quality.\u003c\/p\u003e","brand":"Canon","offers":[{"title":"Default Title","offer_id":58191452864895,"sku":null,"price":384.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/1059\/2383\/files\/CanonEF1.4XIIIExtender2.jpg?v=1786921686","url":"https:\/\/fotos-altura.es\/products\/canon-ef-1-4x-iii-extender","provider":"Fotos Altura SL","version":"1.0","type":"link"}