Ray,

I have purchased the new Canon 1.4x TC for my 100-400/4.5-5.6L IS Lens, and 
I'm satisfied with the results.

Of course I lose autofocus, but... and IS works perfectly on my Elan 7E 
with the 1.4x TC.

Do you think I should be equally satisfied with the new Canon 2x TC?

It would give me a 200-800/9-11L IS Lens... slow but I couldn't afford a 
prime 600mm or more...

Thanks

Pierre

At 18:51 5/8/2001 -0400, you wrote:

>Hugo,     I never thought I would need to remember where I read the
>reviews.  I think a couple were in magazines and one on the internet.  I
>probably take more than 20 photography magazines.  Some I save and some
>I don't.  I'll try to find them and if I see any more, I'll let you
>know.  I've saved your e-mail address.
>
>Canon admits the 1.4x is optically the same but the 2x has changed.  As
>stated above, I'm only talking about the 2x, not the 1.4x.  My good
>friend has both of the new ones and he thinks the 2x is "much" sharper
>and the 1.4x is a "little" sharper.  I still own both 2x's and use the
>2x a great deal as my main interest is wildlife photography.  Even with
>my 58 year old eyes, the difference is obvious.  I promise you that you
>will not be able to tell you're using a 2x, while viewing the slide with
>a 10x Schneider loupe, at least with the new Super Teles with IS.  I
>have the 500 IS and my good friend has the new 300 f/2.8 IS and the new
>600 f/4 IS.
>
>The only bad point about the new extenders, other than a higher price,
>is their size.  They are slightly larger in diameter so I won't be able
>to use the Kirk tripod collar attached to the 2x with my 90 T/S for
>macro photography.
>
>Ray Amos

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