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Cameras, Lenses and Accessories: Discuss canon 1.4 extender...Does anyone here use a canon 1.4 extender, if so, is it any good with the Canon 70-200 F4 L ...
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Old 26-10-2007, 18:35   #1 (permalink)
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canon 1.4 extender

Does anyone here use a canon 1.4 extender, if so, is it any good with the Canon 70-200 F4 L lens. I know that I will lose the f4 but what is the image quility like.
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Old 26-10-2007, 19:12   #2 (permalink)
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Re: canon 1.4 extender

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Originally Posted by emmettleffel View Post
Does anyone here use a canon 1.4 extender, if so, is it any good with the Canon 70-200 F4 L lens. I know that I will lose the f4 but what is the image quility like.

Ive got one, it works ok not as good as on my prime lenses but still good

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Old 26-10-2007, 19:13   #3 (permalink)
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Re: canon 1.4 extender

I've used one - on the 100-400mm IS L. Was very pleased with it and, although you lose AF, wasn't fussed seeing as I use MF anyway. Be worth checking the Canon site for that lens, especially if AF is important to you
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Old 26-10-2007, 19:39   #4 (permalink)
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Re: canon 1.4 extender

I've used one on a 70-200 2.8 and it works fine with no noticeable IQ loss imo.
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Old 26-10-2007, 19:45   #5 (permalink)
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Re: canon 1.4 extender

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Originally Posted by Markulous View Post
I've used one - on the 100-400mm IS L. Was very pleased with it and, although you lose AF, wasn't fussed seeing as I use MF anyway. Be worth checking the Canon site for that lens, especially if AF is important to you
No problem with AF that was with my 10D, 1D it will AF at 6.3
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Old 26-10-2007, 23:06   #6 (permalink)
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Re: canon 1.4 extender

I have one which I use with my various L series lenses and notice no discernable loss of quality so I would recommend it highly. I also have a 2x TC and that one does have a marginal loss of quality, not enough to spoil a shot or anything but it is there.

Cheers,
Rob
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Old 27-10-2007, 01:11   #7 (permalink)
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Re: canon 1.4 extender

I don't know if this helps but I use the Tamron SP 1.4 teleconverter with my 70-200 f4L and there is barely a miniscule of image quality loss.
Here's an example:
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Old 27-10-2007, 08:02   #8 (permalink)
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Re: canon 1.4 extender

I've used it on the 70-200 2.8 version, I've used it for sports shots also, only tried it in good light and I've had some sharp results!

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Old 28-10-2007, 10:44   #9 (permalink)
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Re: canon 1.4 extender

Thanks for comments, I will get one I think
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Old 01-11-2007, 07:59   #10 (permalink)
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Re: canon 1.4 extender

Ditto the above. I use mine almost everyday with an EF600mm. I see no loss in quality, I often will put it on and off mid shoot and can never tell when editing the shots later. Not the same with the 2x where the loss of quality is quite noticeable, though I have not really tried comparing a with/without test and comparing the without shots cropped to give the same magnification as yet.
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