Comments on: Adding an External 1.4X TC to the Canon EF 200-400mm f/4L IS USM Lens with Internal 1.4x Extender: 784mm! https://www.birdsasart-blog.com/baa/2013/07/21/adding-an-external-1-4x-tc-to-the-canon-ef-200-400mm-f4l-is-usm-lens-with-internal-1-4x-extender-784mm/ The blog of bird photographer Arthur Morris Fri, 11 Jul 2014 00:48:44 +0000 hourly 1 https://wordpress.org/?v=6.8 By: Arthur Morris/BIRDS AS ART https://www.birdsasart-blog.com/baa/2013/07/21/adding-an-external-1-4x-tc-to-the-canon-ef-200-400mm-f4l-is-usm-lens-with-internal-1-4x-extender-784mm/comment-page-1/#comment-561378 Fri, 26 Jul 2013 10:19:50 +0000 http://www.birdsasart-blog.com/?p=15478#comment-561378 In reply to Phil Frigon.

With the internal TC in place, the zoom range when you add an external 1.4X TC is indeed 392-784mm. With only the internal TC in place you have a 280-560 zoom range. And with the lens alone you have 200-400mm.

]]> By: Denise Ippolito https://www.birdsasart-blog.com/baa/2013/07/21/adding-an-external-1-4x-tc-to-the-canon-ef-200-400mm-f4l-is-usm-lens-with-internal-1-4x-extender-784mm/comment-page-1/#comment-558646 Mon, 22 Jul 2013 20:59:47 +0000 http://www.birdsasart-blog.com/?p=15478#comment-558646 Love the first image!!

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