Reviews for poles, please?

Extender EF 2 x III - or the EF 1.4 x III.  Same price.  Other than the obvious, why one over the other?  The optics are equal?

Thank you!

And of course, it's the right answer...

"I would recommend the 1.4 X if you can only afford a..

I'm sure you probably know, but Canon Extenders only work woth with some Canon lenses... »

In general the Extenders are a bad idea.  You give a lot for little.  There are a few glasses of 'L' that tolerates an Extender well enough.  Most of the lenses don't. The Canon EF 70-200mm f/2.8 L II USM lens and the Canon Extender EF 1. 4 X II work well together.  I have this combo so I can recommend it.  It also works well with the Canon EF 300mm f / 4L IS USM lens.  Once a combo yet personal, I can recommend it.  As a general rule they are not and you should avoid lenses that are slower than f4 with Extender. And f2.8 it's even better.  And yet once again, IMHO, avoid the x 2 in total.

Then you enter the really great TV like the Canon EF 500mm f / 4L IS II USM lens.  Although the 1. 4 x works well with it, it brings some more difficult terms more come.  700 mm FL, it can be quite a challenge to use.  I only have the combo but I rented it.

Tags: Canon Camera

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