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Product Description
The effective aperture of the lens is increased by one or two stops respectively. Autofocusing does not operate if the effective maximum aperture is greater than f/5.6 greater than f/8 on the EOS 1V and EOS 3.Features-Dust and moisture resistant construction.-Extends the master lens focal length by 2x.-Minimum loss of lens performance.-Reduces inner reflection for higher image quality.The EF 2x II doubles the focal length of any lens its mounted to, and reduces its effective aperture by two stopsSuccessors to the EF2x 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 2x, with minimalloss 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 EF2x 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.FeatureProduct FeaturesTechnical detailsColour of productWhite Lens systemLens structure7/5 Weight & dimensionsWeight265g Diameter71.8mm Length57.9mm
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Customer Reviews
Most Helpful Customer Reviews
16 of 16 people found the following review helpful
What you want to know without reading too much. It will generally only work with the Canon Grey lenses that are f2.8. You will lose two stops when putting this on which detracts from buying a fast lens (i.e. low "f" number), for instance your f2.8 lens will automatically become an f5.6 lens when using this 2x Extender.
I will use the 1.4 mark II alot as it will only lose 1 stop. If you are intending on shooting slow or still things in ow light then ok you'll be fine as you will if you wanted to shoot bright sunny fast action such as motorsport.
A good purchase if you want the extra length from your lens on a temporary basis but if your looking for a permanant distance lens with a the ability to let a lot of light in then you need to save up for one of the dear lenses or go look at the Sigma range to save a few pounds.
Build quality is fantastic and has the usual weather seals you'd expect from the Canon L glass.
I will use the 1.4 mark II alot as it will only lose 1 stop. If you are intending on shooting slow or still things in ow light then ok you'll be fine as you will if you wanted to shoot bright sunny fast action such as motorsport.
A good purchase if you want the extra length from your lens on a temporary basis but if your looking for a permanant distance lens with a the ability to let a lot of light in then you need to save up for one of the dear lenses or go look at the Sigma range to save a few pounds.
Build quality is fantastic and has the usual weather seals you'd expect from the Canon L glass.
Arrived ahead of expected delivery date and in A+ condition. Good shop.
I bought this for use with my Canon 70-200 f:2.8 and 100-400 lenses (Both L class). The picture quality is very good and does justice to the L class lenses. There is nothing to complain about when used with the 70-200 f:2.8. However, using it with the 100-400 the Auto focusing is much slower, but, surprisingly it works, even though on canon's spec sheet it is stated that autofocus is not supported with this lens. I took some amazing shots of the moon with an effective focal length of 800mm. At this setting there was marginal blue colour fringing, but this could be corrected in RAW. Understandably, manual focus is very delicate with the extender and when the lens is fully zoomed in. I'm very pleased with it.
I bought this for use with my Canon 70-200 f:2.8 and 100-400 lenses (Both L class). The picture quality is very good and does justice to the L class lenses. There is nothing to complain about when used with the 70-200 f:2.8. However, using it with the 100-400 the Auto focusing is much slower, but, surprisingly it works, even though on canon's spec sheet it is stated that autofocus is not supported with this lens. I took some amazing shots of the moon with an effective focal length of 800mm. At this setting there was marginal blue colour fringing, but this could be corrected in RAW. Understandably, manual focus is very delicate with the extender and when the lens is fully zoomed in. I'm very pleased with it.
The Canon Extender EF 2x II converter, Is a affordable way of incresing you length of a Canon 100-400 is L series. I found this converter enbled me to take some great photo's of f1 cars in action at the Silverstone british Grand Prix and great wildlife shot to. If your on a budget this is the quick way of increasing your focal length. positives great motor sport and wild life photos. negetavies this teleconverter will only operate in manaual mode. you cant use auto focus with this teleconverter. have said that I think the positives out way the negitatves.
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