Canon EF 1.4X II Extender Telephoto Accessory | a little heavy for its size but works just great!

Canon EF 1.4X II Extender Telephoto Accessory | Good Toys to play with

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Canon EF 1.4X II E...

	Canon EF 1.4X II Extender Telephoto Accessory Canon Canon average customer review:based on 32 reviews view larger image
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highly recommended

Attaching this high performance Extender to a 135mm or longer lens, or to the EF 70-200mm f/2.8L boosts the focal length by 1.4 times. With five elements in four lens groups, it preserves the prime lens' image quality.

a little heavy for its size but works just great!

It comes with a little bag to store it in the gadget bag and as I said its a little heavy for its little size, yet it doesnt become a burden to carry at all. I am using it with a 70-200 f4L IS and the size of the combined lens looks quite long on a rebel XTi and of course draws attention to it. I dont notice any quaility decrease (on the pictures) when used with this lens, but anyway, im not using any lab equipment or pixel picking to really test that. The build feels solid and it fixes well to the other lens as if it becomes a part of it, I think thats what the intention is of course. The color of this extender is exactly the same as the 70-200 f4L IS which is not white but rather grayish, they both look beautiful together !

I highly recommend it since it does make quite a difference and overall it is a professional and very well developed pice of equipment. Im actually thinking on also having the 2x later on to achieve the 640mm with my 70-200L and a small sensor such as the XTi or the 40D.

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Good Toys to play with

There no words to say then GOOD
It very help with the zoom lens.

Does exactly what it says

I only pair it with the Canon EF 70-200mm f/4L USM Telephoto Zoom Lens for Canon SLR Cameras and my Canon Digital Rebel XTi 10.1MP Digital SLR Camera (Black Body Only) at this point, but it has done wonderfully. Yes, it does cost me a stop of light (just due to the math on it), but I can't really see any quality difference between with and without. I also have the ability NOT to use it when I don't need it, which means I get a better lens at the short end of the range than I would have just getting a longer lens. I'm definitely looking forward to having other lenses to pair this with.

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Nice build quality!

I just got this, but was happy to see that it is "L" build. That is, metal and matches the color/style of the 70-200mm f/2.8L IS USM.

No tests yet to comapre before/after. Does anyone know pf a good test pattern to download and print that has progressively smaller lines, like a "bull's eye" style pattern for testing lens sharpness? I see a lot of subjective evaluations, but would liek to see some pictures at a fixed length that actually demostrate the differences.

I'll look for something like this and update this review with pictures once I do.

Oh, and my f/2.8L is a f/4L with this thing attached.

Thanks, Canon!

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Another Good Canon Product

Got this to go with my 70-200L 2.8 IS lens which this is perfect for my shooting needs. Gives the added extension to the lens on my 5D and still maintains the image stabilizing and AF function. Canon did design this to fit only specific Canon lenses.
I tried it on my Sigma 50-500 and the outerbarrel of the TC will not fit inside of the Sigma.
Otherwise the TC was pretty sharp at least my copy is .

reviews: page 1, 2, 3, 4, 5, 6, 7

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