{"product_id":"canon-ef-1-4x-iii-extender-teleconverter-1-4x-magnification-7-element-optics-for-super-telephoto-lenses-white-new","title":"Canon EF 1.4X III Extender Teleconverter 1.4x Magnification 7-Element Optics for Super Telephoto Lenses (White) - New","description":"\u003ch3\u003eProfessional Telephoto Reach Extension\u003c\/h3\u003e\u003cp\u003eThe Canon EF 1.4X III Extender multiplies your lens's focal length by exactly 1.4x, turning a 400mm lens into a 560mm powerhouse while maintaining excellent image quality. Featuring advanced 7-element optical construction arranged in 3 groups, this teleconverter delivers minimal chromatic aberration and phenomenal clarity. The integrated microcomputer ensures flawless communication between your camera body, lens, and extender for accurate autofocus and exposure control. Weighing just 7.9 oz (225g) and measuring 2.8 inches in diameter, it adds negligible bulk to your telephoto setup.\u003c\/p\u003e\u003ch3\u003eAdvanced Optical Engineering\u003c\/h3\u003e\u003cp\u003eCareful element placement and multi-layer coatings work together to minimize ghosting and flare, even in challenging backlit situations. The optical formula has been optimized specifically for Canon's super telephoto lens lineup, ensuring edge-to-edge sharpness and contrast. With a compact 1.1-inch length (27.2mm), the extender integrates seamlessly into your optical path without compromising balance or handling. The 72mm maximum diameter matches professional lens mounting standards for secure attachment.\u003c\/p\u003e\u003ch3\u003eProfessional-Grade Durability\u003c\/h3\u003e\u003cp\u003eBuilt to the same exacting standards as Canon's L-series lenses, the EF 1.4X III features robust dustproof and water-resistant construction that stands up to harsh field conditions. The innovative fluorine coating on the front and rear elements actively repels water, oil, smears, and fingerprints, making cleaning quick and effortless. This protective coating maintains optical clarity in humid environments and resists contamination during lens changes. The precision-machined mount ensures rock-solid attachment with zero play or wobble.\u003c\/p\u003e\u003ch3\u003eSeamless System Integration\u003c\/h3\u003e\u003cp\u003eCompatible with Canon's EF super telephoto lenses, this extender maintains full electronic communication for autofocus, image stabilization, and EXIF data transmission. The built-in microprocessor coordinates with your camera's AF system to deliver fast, accurate focusing even with the reduced light transmission. Professional wildlife, sports, and nature photographers rely on this extender to achieve greater reach without carrying additional heavy lenses, making it an essential component of any serious telephoto system.\u003c\/p\u003e\u003cdiv style=\"background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 24px; border-radius: 12px; margin: 32px 0;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: white; font-size: 24px;\"\u003e⚙️ Technical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: auto 1fr; gap: 12px 24px; background: white; padding: 20px; border-radius: 8px; color: #333;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eMagnification Factor:\u003c\/div\u003e\n\u003cdiv\u003e1.4x\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eOptical Construction:\u003c\/div\u003e\n\u003cdiv\u003e7 elements in 3 groups\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eMaximum Diameter:\u003c\/div\u003e\n\u003cdiv\u003e2.8 inches (72.0mm)\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eLength:\u003c\/div\u003e\n\u003cdiv\u003e1.1 inches (27.2mm)\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eWeight:\u003c\/div\u003e\n\u003cdiv\u003e7.9 oz (225g)\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eMount Type:\u003c\/div\u003e\n\u003cdiv\u003eCanon EF\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eCoating:\u003c\/div\u003e\n\u003cdiv\u003eFluorine front\/rear elements\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eWeather Sealing:\u003c\/div\u003e\n\u003cdiv\u003eDustproof and water-resistant\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #2563eb;\"\u003eCommunication:\u003c\/div\u003e\n\u003cdiv\u003eBuilt-in microcomputer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch3 style=\"margin-top: 48px;\"\u003e✨ Key Features\u003c\/h3\u003e\u003cul style=\"line-height: 1.8;\"\u003e\n\u003cli\u003e1.4x focal length multiplication for extended telephoto reach\u003c\/li\u003e\n\u003cli\u003e7-element optical design minimizes chromatic aberration\u003c\/li\u003e\n\u003cli\u003eFluorine coating resists smears, fingerprints, and moisture\u003c\/li\u003e\n\u003cli\u003eDustproof and water-resistant construction for field durability\u003c\/li\u003e\n\u003cli\u003eBuilt-in microcomputer maintains full AF and IS functionality\u003c\/li\u003e\n\u003cli\u003eOptimized coatings reduce ghosting and flare\u003c\/li\u003e\n\u003cli\u003eCompact 7.9 oz design adds minimal weight\u003c\/li\u003e\n\u003cli\u003eCompatible with Canon EF super telephoto lenses\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"background: #fffbeb; border: 2px solid #fbbf24; border-radius: 12px; padding: 24px; margin: 32px 0;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #92400e;\"\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; gap: 8px; color: #78350f;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center;\"\u003e\n\u003cspan style=\"color: #10b981; margin-right: 12px; font-size: 20px;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eCanon EF 1.4X III Extender (Model 4409B002)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center;\"\u003e\n\u003cspan style=\"color: #10b981; margin-right: 12px; font-size: 20px;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eRear Dust Cap\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center;\"\u003e\n\u003cspan style=\"color: #10b981; margin-right: 12px; font-size: 20px;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eFront Dust Cap\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Canon","offers":[{"title":"Default Title","offer_id":43760087269435,"sku":"33349..ACE","price":784.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/5400\/0955\/files\/image_0_4e904f63-1a75-4f76-ae5c-676f99ff21b7.jpg?v=1783568275","url":"https:\/\/saveoncells.com\/products\/canon-ef-1-4x-iii-extender-teleconverter-1-4x-magnification-7-element-optics-for-super-telephoto-lenses-white-new","provider":"SaveOnCells","version":"1.0","type":"link"}