Canon Extender EF 2x III
Mfg # 4410B002
CDW # 2341136
| UNSPSC 45121603
Know your gear
Designed to extend a lens's focal length by a factor of 2x, the redesigned Canon Extender EF 2x III delivers optical performance on par with the finest Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender, features careful lens placement and coatings to minimize ghosting, flare and chromatic aberration, and even has a fluorine coating that keeps soiling, smears and fingerprints to a minimum. Extender EF 2x III meets necessary standards in terms of rugged, dustproof and water-resistant construction, and should be in every professional's camera bag.
Enhance your purchase
Canon Extender EF 2x III is rated3.47 out of5 by17.
Rated 5 out of 5 byjrh from Good quality - excellent value.works perfectly and it is a great addition to my equipment
Date published: 2019-06-21T00:00:00-04:00
Rated 5 out of 5 byCanon 2X III Extender from Great product!Very good product for the 70-200mm, but with the 100-400mm, it will not auto focus. Otherwise, it’s a wonderful addition to you gear.
Date published: 2019-09-15T00:00:00-04:00
Rated 5 out of 5 bydrwiswell from Digital zoom is better.First Canon product I ever returned, better to do a digital zoom.
Date published: 2018-10-28T00:00:00-04:00
Rated 5 out of 5 byTLH from Fantastic Photos!I had tried this in the Arctic and was happy with results. I purchased this refurbished Extender from Canon (as I have before with other items and have been happy with the results. The item was delivered in great shape and works excellently!
Date published: 2018-07-29T00:00:00-04:00
Rated 5 out of 5 byBush from Auto focus limitedI should have purchased the extender 1.4 for better auto focus but am working with that issue may consider the 800 f5.6 super telephoto
Date published: 2018-08-12T00:00:00-04:00
Rated 5 out of 5 byunknown from Important tool in my kit!This piece was added when I acquired another "big white" lens.
Date published: 2019-02-14T00:00:00-05:00
Rated 5 out of 5 bydavid m from nice doublerWorks great with 100-400mm ii on an eos R. Focuses fast, from any spot on the frame. Using for daylight, nature shots. Great having ability to get 800mm, even with the loss of 2 f stops.
Date published: 2019-01-22T00:00:00-05:00
Rated 5 out of 5 byGreat Dane from Failed Basic Quality TestIn wildlife photography, one seldom sees a distant object of interest filling the entire frame. Therefore, options to improve the picture often include: 1. cropping to the desired object size, or 2. using a longer lens, or 3. using an extender with a compatible long lens. In the comparison between 1 and 3, I used a a Cannon 5d Mark II and a EF100-400mm f/4.5-5.6 L IS USM.(Push/Pull Model ISO 400, Aperture Pref., Daylight WB. set at f5.6 and 400 mm, and handheld for Case 1. For case 3 all the same except that an EF 2XIII extender and a heavy duty tripod was added and the f stop went to 11. In both cases, the resultant shutter speed was fast enough to eliminate any camera shake. When case 1 and case 3 photos of stationary birds at a sun lit feeder at a distance of about 25 yds were cropped to the same object size, not only was there NO IMPROVEMENt in case 3 but actually, the pictures became grainy, noisy, and and had color distortions on the edges of the objects.The Extender appeared to be well built and attached and detached easily. With the above combination, standard AF will not work because the max f is 11. However, the "workarround" of shooting in "live mode", with AF on, AF driver set as "Live" and focussing by depressing the "AF-ON" button till the rectangle turns green is easy and gives an accurate focus but slightly slower than standard AF.Since the investment cannot yield an improvement for the particular use for which I purchased it, I returned the Extender.
Date published: 2015-02-26T00:00:00-05:00
Rated 5 out of 5 byYoungSD from Adds the length I wantedI bought the extender to photograph my son's soccer game. I have the 70-200 mm TP lens which often left the players looking very small. With the extender, I have been getting good action pictures. I still have the speed that I needed. Completely happy with the purchase...
Date published: 2018-06-25T00:00:00-04:00
Rated 5 out of 5 byCanonUser84 from Excellent condition, practically new!I picked up this 2x extender after renting one and the condition/quality far exceeded my expectations. The item was packaged as if brand new, not a scratch or piece of dust on the lens. Fantastic!!
Date published: 2019-02-27T00:00:00-05:00