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Extender EF 1.4x III
Extenders
Canon Store: $
Compare lenses from the abundant Canon lineup of EF Lenses and see the difference each one can make.
Overview
Extending a lenses focal length by a factor of 1.4x, Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. The Fluorine coating resists soiling, smears and fingerprints. Extender EF 1.4X III maintains high standards not only optically, but also in terms of rugged, dustproof and water resistant construction.
Specifications
Focal Length & Maximum Aperture
Magnification: 1.4x
Lens Construction
7 elements in 3 groups
Max. Diameter x Length, Weight
2.8 x 1.1 in, 7.9 oz. / 72.0 x 27.2mm, 225g
Note
This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L.
Compatible Supplies & Accessories
Canon offers a wide range of compatible supplies and accessories that can enhance your user experience with you Extender EF 1.4x III that you can purchase direct. Scroll down to easily select items to add to your shopping cart for a faster, easier checkout. Visit the Canon Online Store
52mm Drop-in Circular Polarizing Filter PL-C 52
MSRP: 370.0
52mm Drop-in Screw Filter Holder 52 (accepts standard 52mm filters)
MSRP: 190.0
67mm Circular Polarizer PL-CB
Filter enhances picture quality by blocking harmful reflected light.
MSRP: 390.0
67mm Protect Filter
These filters can help protect your lens against dust, moisture, fingerprints, scratches and damage and can be kept on your lens at all times. Filter fits select lenses with a 67mm diameter.
MSRP: 85.0
72MM UV Protector Filter
UV Protector filters allow you to correct for the UV effect to varying degrees. These filters can also help protect your lens against dust, moisture, fingerprints, scratches and damage and can be kept on your lens at all times. Filter fits select lenses with a 72mm diameter, please see Compatibility tab for compatible lenses.
MSRP: 25.0
72mm Circular Polarizer PL-C
Polarizing filters enhance picture quality by blocking harmful reflected light. Use it to reduce light reflections from glass and water surfaces or to improve color saturation. Simple to use, these filters polarize light circularly, rather than linearly, so they do not interfere with autofocus or TTL light metering.
MSRP: 230.0
72mm Circular Polarizer PL-CB
Filter enhances picture quality by blocking harmful reflected light.
MSRP: 400.0
72mm Close-Up Lens 500D
MSRP: 190.0
72mm Protect Filter
UV Protector filters allow you to correct for the UV effect to varying degrees. These filters can also help protect your lens against dust, moisture, fingerprints, scratches and damage and can be kept on your lens at all times. Filter fits select lenses with a 77mm diameter, please see Compatibility tab for compatible lenses.
MSRP: 85.0
77mm Circular Polarizer PL-C
MSRP: 250.0
77mm Circular Polarizer PL-CB
Filter enhances picture quality by blocking harmful reflected light.
MSRP: 460.0
77mm Close-Up Lens 500D
Canon Close-Up Lens 500D is a double-element accessory that attaches to front of lens. It changes closest focusing distance from infinity to 500mm (approx. 19.7" from front of lens).
MSRP: 220.0
77mm Protect Filter
These filters can help protect your lens against dust, moisture, fingerprints, scratches and damage and can be kept on your lens at all times. Filter fits select lenses with a 77mm diameter.
MSRP: 95.0
77mm UV Haze Filter
UV Protector filters allow you to correct for the UV effect to varying degrees. These filters can also help protect your lens against dust, moisture, fingerprints, scratches and damage and can be kept on your lens at all times. Filter fits select lenses with a 77mm diameter, please see Compatibility tab for compatible lenses.
MSRP: 55.0
EF 1.4X Extender
MSRP: 429.99
EF 1.4X Extender
MSRP: 429.99
EF 100-400mm f/4.5-5.6L IS II USM
Compact, high-performance L-series super-telephoto zoom makes it ideal for sports and wildlife photography Rotation-type zoom ring allows for more precise composition and balance when handholding Optical Image Stabilizer provides up to four shutter speed steps of correction New Air Sphere Coating (ASC) helps to significantly reduce backlit flaring and ghosting
EF 100-400mm f/4.5-5.6L IS USM
L-series super telephoto zoom lens with Image Stabilizer Fluorite and Super UD-glass elements largely eliminate secondary spectrum Image Stabilizer has two modes and it is compatible with the Extender EF 1.4x II 17 elements in 14 groups
EF 100-400mm f/4.5-5.6L IS USM Refurbished
L-series super telephoto zoom lens with Image Stabilizer Fluorite and Super UD-glass elements largely eliminate secondary spectrum Image Stabilizer has two modes and it is compatible with the Extender EF 1.4x II 17 elements in 14 groups
EF 135mm f/2L USM
Ideal for indoor sports and portraits with pleasing background blur Two UD-glass elements correct secondary spectrum for outstanding sharpness and color Compatible with Extender EF 1.4x II and 2x II Rear focusing system with USM
MSRP: 999.99
EF 180mm f/3.5L Macro USM
High-performance, outstanding image quality 1:1 macro Longer working distance than most macro lenses (1.57ft. to infinity) 3 UD glass elements and floating construction correct chromatic aberrations Advanced USM for high-speed, quiet AF
EF 200mm f/2.8L II USM
Telephoto lens with high image quality and carrying ease Two UD-glass elements and rear focusing, to correct aberrations, image delineation is extremely sharp Background blur is natural-looking The lens comes with a dedicated, detachable hood
MSRP: 749.99
EF 200mm f/2L IS USM
Ring-USM and new AF algorithms result in fast and quiet AF Built-in Optical Image Stabilizer w/4-stops of correction Fluorite and UD lens elements for excellent chromatic aberration correction Circular aperture produces beautiful images
EF 2XII Extender
MSRP: 429.99
EF 2XII Extender
MSRP: 429.99
EF 300mm f/2.8L IS USM
High-performance L-series super-telephoto with dual-mode Image Stabilizer function Ultra-high image quality through Fluorite and UD Glass High AF speed with improved Ring USM and algorithms for focus prediction Magnesium alloy lens barrels
EF 300mm f/4L IS USM
Compact L-series telephoto lens Canon Optical Image Stabilizer compensates for camera shake with the equivalent effect of a shutter speed two stops faster Two Image Stabilizer modes Closest focusing distance: 4.9 feet (1.5 m)
EF 300mm f/4L IS USM Refurbished
Compact L-series telephoto lens Canon Optical Image Stabilizer compensates for camera shake with the equivalent effect of a shutter speed two stops faster Two Image Stabilizer modes Closest focusing distance: 4.9 feet (1.5 m)
EF 400mm f/2.8L IS USM
High-performance L-series super-telephoto dual-mode Image Stabilizer function Ultra-high image quality with Fluorite and UD Glass High AF speed with Ring USM and algorithms for focus prediction Magnesium alloy lens barrels
EF 400mm f/4 DO IS USM
Multi-layer diffractive optical lens technology Small, light, with enhanced correction for chromatic aberrations Image Stabilization for the effect of a shutter speed two stops faster Fast AF, full-time mechanical focus, dust and water-resistant
EF 400mm f/5.6L USM
High-performance L-series lens with portability and easy handling Super UD and UD glass elements Sharp pictures from corner-to-corner Built-in hood and a detachable tripod mount
EF 500mm f/4L IS II USM
Completely redesigned Fluorite optics Lighter weight thanks to magnesium and titanium construction elements Advanced third Image Stabilization mode (Mode 3) Power Focus mode enables smooth focus change when shooting video
EF 500mm f/4L IS USM
High-performance L-series super-telephoto with dual-mode Image Stabilizer function Ultra-high image quality with Fluorite and UD Glass High AF speed with improved Ring USM and algorithms for focus prediction Magnesium alloy lens barrels
EF 600mm f/4L IS II USM
Fluorite optics that deliver sharper images with less chromatic aberration Magnesium and titanium construction for a lighter weight Advanced third Image Stabilization mode (Mode 3) Power Focus mode enables smooth focus change when shooting video
EF 600mm f/4L IS USM
High-performance L-series super-telephoto with dual-mode Image Stabilizer function Ultra-high image quality with Fluorite and UD Glass High AF speed with improved Ring USM and algorithms for focus prediction Magnesium alloy lens barrels
EF 70-200mm f/2.8L IS USM
Image Stabilization technology Responds in as little as 0.5 seconds, while providing up to three stops of correction 8-blade circular aperture offers a more pleasing out-of-focus image Constructed to pro standards, dust- and moisture-resistant
EF 70-200mm f/2.8L USM
One of the finest telephoto zoom lenses in the EF line, comparable to a single focal length lens 4 UD-glass elements to correct chromatic aberrations Constant f/2.8 maximum aperture Compatible with Extender EF 1.4x II and 2x II
EF 70-200mm f/4L IS II USM
For portable, versatile optical excellence, look no further than the new EF 70-200mm f/4L IS II USM.
MSRP: 1299.0
EF 70-200mm f/4L IS USM
Lightweight, compact L Series telephoto zoom lens with Image Stabilizer Provides up to an incredible four stops of shake correction Fluorite UD lens elements provides excellent optical performance Water- and dust-proof construction
EF 70-200mm f/4L IS USM Refurbished
EF 70-200mm f/4L USM
High-performance, L-series telephoto zoom, lightweight and compact, with an f/4 maximum aperture Internal focusing and a ring-type USM enable quick and quiet autofocusing 16 elements in 13 groups Non-rotating front element
MSRP: 649.99
EF 70-200mm f/4L USM Refurbished
High-performance, L-series telephoto zoom, lightweight and compact, with an f/4 maximum aperture Internal focusing and a ring-type USM enable quick and quiet autofocusing 16 elements in 13 groups Non-rotating front element
MSRP: 519.99
EF 800mm f/5.6L IS USM
The longest telephoto lens in Canon's lineup Optical Image Stabilization equivalent to 4-stops of correction 2-fluorite lens elements, 1-UD element, and 1-Super-UD-glass element Magnesium-alloy construction, lightweight, and weather-resistant
EF_70-200mm_f_2.8L_IS_USM_Refurbished
EF_70-200mm_f_2.8L_Refurbished
Extender EF 2x III
Extends focal length by a factor of 2x Built-in microcomputer for seamless communication with camera body, lens and extender Newly-developed Fluorine coating keeps soiling, smears and fingerprints to a minimum
MSRP: 429.99
Extension Tube EF 12 II
Extension Tube EF 12 II is especially suited for close-focusing with wide-angle lenses.
MSRP: 130.0
Extension Tube EF 25 II
25mm fully coupled Extension Tube for EOS camera and most lenses to 350mm.
MSRP: 210.0
Filter UV Haze 67mm
MSRP: 25.0
Gelatin Filter Holder Adapter III 67
The 67mm Gelatin Filter Holder Adapter III 67 is used to attach the Gelatin Filter Holder III to most EF lenses.
MSRP: 60.0
Gelatin Filter Holder Adapter III 72
72mm adapter ring. Used to attach Gelatin Filter Holder III to most EF lenses.
MSRP: 60.0
Gelatin Filter Holder Adapter III 77
The Gelatin Filter Holder Adapter III allows the use of commercially available square filters without the need for cutting. The holder attaches to the lens through an adapter that fits the filter diameter. Use with 3-inch square type III gelatin filters. Gelatin filters can be used with most EF lenses.
MSRP: 60.0
Gelatin Filter Holder Adapter IV 67
The 67mm Gelatin Filter Holder Adapter IV 67 is used to attach the Gelatin Filter Holder IV to most EF lenses.
MSRP: 60.0
Gelatin Filter Holder Adapter IV 72
MSRP: 60.0
Gelatin Filter Holder Adapter IV 77
The 77mm Gelatin Filter Holder Adapter IV 77 is used to attach the Gelatin Filter Holder IV to most EF lenses.
MSRP: 60.0
Gelatin Filter Holder Hood III
Canon Gelatin Filter Holder III allows 3-inch square gelatin filters to be fitted to most EF lenses.
MSRP: 45.0
Gelatin Filter Holder Hood IV
Allows 4-inch square gelatin filters to be fitted to most EF lenses. Requires Gelatin Filter Holder Adapter. Can be combined with optional Gelatin Filter Holder Hoods IV.
MSRP: 45.0
Gelatin Filter Holder III
Allows 3-inch square gelatin filters to be fitted to most EF lenses. Requires Gelatin Filter Holder Adapter. Can be combined with optional Gelatin Filter Holder Hoods III.
MSRP: 140.0
Gelatin Filter Holder IV
MSRP: 150.0
LENS CAP E-145B
LENS CASE 200
LZ1128 Zippered Soft Lens Case
For the Canon EF 300mm f/4L IS USM lens. Features a zippered closure.
MSRP: 75.0
Lens Cap E-145
Canon Front Lens Cap for the EF 300mm f/2.8 IS USM and EF 400mm f/4 DO IS USM Lenses.
MSRP: 110.0
Lens Cap E-163
MSRP: 140.0
Lens Cap E-163B
Lens Cap E-180C
MSRP: 140.0
Lens Cap E-185
MSRP: 140.0
Lens Cap E-185B
Lens Cap E-67 II
The Lens Cap E-67 II is newly designed and fits Canon EF lenses with a 67mm filter size. It helps protect the front glass from dust and scratches.
MSRP: 10.0
Lens Cap E-67U
MSRP: 8.5
Lens Cap E-72 II
The Lens Cap E-72II is newly designed and fits Canon EF lenses with a 72mm filter size. It helps protect the front glass from dust and scratches.
Lens Cap E-72U
MSRP: 8.5
Lens Cap E-77 II
The Lens Cap E-77 II is newly designed and fits Canon EF lenses with a 77mm filter size. It helps protect the front glass from dust and scratches.
MSRP: 15.0
Lens Cap E-77U
Indispensable for protecting your valuable lenses, this cap should be used on all lenses with a 77mm filter size.
MSRP: 12.0
Lens Case 300
Hard case providing added protection against hard impacts during shipping and travel.
MSRP: 550.0
Lens Case 400
MSRP: 760.0
Lens Case 400B
MSRP: 580.0
Lens Case 500
MSRP: 760.0
Lens Case 500B
Lens Case 600
MSRP: 830.0
Lens Case 600B
Lens Case 800MM
Lens Case LP1219
Soft drawstring lens case made for Canon EF 135mm f/2.0L, EF 24-70mm f/2.8, EF 28-70mm f/2.8L, EF 100mm f/2.8 USM, EF 50mm f/1.0L or EF 85mm 1.2L USM lens.
MSRP: 40.0
Lens Case LP1222
Lens pouch cases are compact, yet keep your lenses looking like new.
MSRP: 40.0
Lens Case LP1224
Lens Case LP1224 fits the EF 70-200mm f/4L USM Lens and has a drawstring closure.
MSRP: 45.0
Lens Case LZ1324
MSRP: 70.0
Lens Case LZ1326
MSRP: 85.0
Lens Case LZ1326B
A double-zippered case that is specifically designed to protect certain medium sized Canon lenses from the elements.
MSRP: 85.0
Lens Dust Cap E Rear Cap
Rear lens cap for all EF type lenses, lens extenders, and extension tubes. Used to protect the rear glass element from dust and scratches.
MSRP: 7.0
Lens Hood ET 83C
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
MSRP: 45.0
Lens Hood ET-120
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
MSRP: 580.0
Lens Hood ET-120B
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
MSRP: 850.0
Lens Hood ET-138
MSRP: 790.0
Lens Hood ET-138WII
Lens Hood ET-155
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
MSRP: 840.0
Lens Hood ET-160
MSRP: 860.0
Lens Hood ET-160WII
Lens Hood ET-74
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
MSRP: 55.0
Lens Hood ET-78B
Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
Brochures
Videos
Canon EF 101: A Beginner's Guide
Canon offers a wide range of EF lenses and lens accessories. In this 9 part video series you'll learn all about lens basics and the various lenses available from your host, Canon expert Jon Lorentz.Canon EF 101: Lens Basics
Take a quick and informative first step into the world of lenses with Canon expert Jon Lorentz, providing insight into the type of lenses available, helpful tips and more.Canon EF 101: Telephoto Lenses
Telephoto lenses let you get close in on a subject. Canon expert Jon Lorentz shows you how to get the most out of your Canon telephoto lenses.Canon EF 101: Lens Accessories
Canon expert Jon Lorentz takes a look at some lens accessories including lens hoods, filters, extenders and more and how to care for them.† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.