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Technical Details
- Canon 1.4x Extender compatible with Lens Case LP811 (Special type lens)
- Dust and moisture resistant
- Effective aperture of the lens is increased by one stop
- Can be used with fixed focal length lenses 135mm and longer
- Metal body construction
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Product Description
Manufacturer's Description
Successors to the EF1.4x this model offers valuable improvements for further enhanced image quality. This extender allows users to combine practicality and functionality with a new optical system allowing them to extend the master lens focal length by 1.4x, with minimal loss of lens performance or image quality. With a dust- and moisture-resistant construction this extender has been designed to reinforce the EOS system. Specially designed to work in conjunction with the EOS-1V and IS super telephoto L-series lenses, it makes a highly dust- and water-resistant combination. The EF1.4x II features improved anti-reflection materials inside the lens-barrel as well as improved coating around the outer edges of the lenses to reduce flare. All of these improvements will allow professional photographers to capture higher quality images than ever before.
Product Description
This tele extender can be used with fixed focal length lenses 135mm and longer (except the 135mm f/2.8 Softfocus lens) and the EF 70-200 f/2.8L 70-200 f/2.8L IS 70-200 f/4.0L 70-200 f/4.0L IS USM and 100-400 f/4.5-5.6L IS zoom lenses. Superb optically it preserves the image quality of the lens its mounted to and multiplies its focal length 1.4x. Effective aperture is reduced by one f-stop; autofocus is possible on any EOS camera when combined with a lens having an f/4 or faster maximum aperture. The new version II maintains the outstanding optics of the previous version and adds enhanced weather-resistant construction and improved anti-reflective surfaces in the barrel.----Features----- Focal Length & Maximum Aperture-- Magnification: 1.4x--- Lens Construction-- 5 elements in 4 groups --- Dimensions: 72.8 x 27.2mm--- Weight: 220g -- --
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Customer Reviews
Most Helpful Customer Reviews
61 of 61 people found the following review helpful
It does what it says on the box - extends the focal length by 1.4!
I use it with a Canon 400D and a Canon 70-200 F4L, so it extends the range to 280 at F5.6, which isn't bad at all. You can't really tell there's extra glass in the way either, which is impressive especially given how good the Canon L lens is.
The only problem is that without an image stabilised lens, it is pushing the ability to take a steady shot hand-held, especially if you are on relatively slow shutter speeds. In mediocre light I sometimes find that sports photos are better taken without the extender and then cropped rather than with the extender. It isn't a problem in good light or if you are using a rest. The real answer, of course is to get an IS lens. Speaking of which - not all lens fit the extender - you need to check first that whatever lens you have does work with it.
I use it with a Canon 400D and a Canon 70-200 F4L, so it extends the range to 280 at F5.6, which isn't bad at all. You can't really tell there's extra glass in the way either, which is impressive especially given how good the Canon L lens is.
The only problem is that without an image stabilised lens, it is pushing the ability to take a steady shot hand-held, especially if you are on relatively slow shutter speeds. In mediocre light I sometimes find that sports photos are better taken without the extender and then cropped rather than with the extender. It isn't a problem in good light or if you are using a rest. The real answer, of course is to get an IS lens. Speaking of which - not all lens fit the extender - you need to check first that whatever lens you have does work with it.
36 of 36 people found the following review helpful
This little device is designed to add a bit more range to Canon's range of 'L' telephoto lenses.
I bought this together with my first L lens (a 70-200 f4 L IS) and am very impressed. I have it hooked up to a canon 400D so even without the extender the 70-200 lens gives me up to 320mm focal length due to the crop factor - a very useful level of magnification. With the extender I get up to 448mm of focal length!!
I can't see any change in image quality in using the extender - with my 70-200 the images are so sharp and the colours and amazing with or without the extender. I can't tell the difference yet I gain a great deal of extra reach in terms of focal length.
Build quality is very high, along similar lines to the other L telephoto lenses with its white exterior and weather sealing.
Using the extender will mean your lens effectively becomes slower. So for my 70-200 F4 the maximum aperture with the extender is f5.6. A minor drawback for such a useful gadget. If you have an IS lens you won't even notice this.
Comes with mini lens pouch.
Very highly recommended.
I bought this together with my first L lens (a 70-200 f4 L IS) and am very impressed. I have it hooked up to a canon 400D so even without the extender the 70-200 lens gives me up to 320mm focal length due to the crop factor - a very useful level of magnification. With the extender I get up to 448mm of focal length!!
I can't see any change in image quality in using the extender - with my 70-200 the images are so sharp and the colours and amazing with or without the extender. I can't tell the difference yet I gain a great deal of extra reach in terms of focal length.
Build quality is very high, along similar lines to the other L telephoto lenses with its white exterior and weather sealing.
Using the extender will mean your lens effectively becomes slower. So for my 70-200 F4 the maximum aperture with the extender is f5.6. A minor drawback for such a useful gadget. If you have an IS lens you won't even notice this.
Comes with mini lens pouch.
Very highly recommended.
30 of 30 people found the following review helpful
Neat little way of boosting the range of your L-glass. I've actually owned the 2x Extender as well and to be honest never really got on with that. I had sharpness issues and focusing problems, which I seem to be free of with the 1.4.
Attach it to a 300 f/2.8 or a 70-200 f/2.8 and you don't really loose much, if anything, especially on a tripod. If you want added reach on something large and expensive like Canon's range of super telephoto lenses, this is a cheap way of not having to spend a couple of grand more on more expensive glass. On my 300 f/2.8 it makes it a 420mm f/4, which as I said on a tripod, has virtually no noticeable loss in apparent sharpness, and not much in aperture to boot. It weighs virtually nothing as well, meaning you simply won't notice it added to your camera bag.
Attach it to a 300 f/2.8 or a 70-200 f/2.8 and you don't really loose much, if anything, especially on a tripod. If you want added reach on something large and expensive like Canon's range of super telephoto lenses, this is a cheap way of not having to spend a couple of grand more on more expensive glass. On my 300 f/2.8 it makes it a 420mm f/4, which as I said on a tripod, has virtually no noticeable loss in apparent sharpness, and not much in aperture to boot. It weighs virtually nothing as well, meaning you simply won't notice it added to your camera bag.
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Most Recent Customer Reviews
Good Service
Item arrived very promptly, box rather battered but this may be because it was placed directly into a transit bag without additional protection. Read more
Published 11 months ago by Photo19
Canon 1.4 Extender
When used in partnership with a Canon prime lens there is no visible loss of image quality.
The added 200 mm focal length it gave when added to my 500mm telephoto comes in... Read more
The added 200 mm focal length it gave when added to my 500mm telephoto comes in... Read more
Published 16 months ago by PhilB
Look out for detail
The 1.4x extender is designed to provide that extra few mm of focal length when distance is the challenge. I bought it to add-on to the Canon 100-400mm zoom L series f5. Read more
Published on 1 May 2010 by Peter Warne
Excellent
Forget about cheaper 1.4x converters this has got to be the best to match with the right Canon lens.it is permanently fixed to my 500mm f4.I do not notice any loss in IQ.
Published on 7 Jan 2010 by Mr. J. E. Willson
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