Rob-P Member 120 posts Likes: 4 Joined Jun 2012 Location: UK Midlands More info | Jan 21, 2019 08:29 | #1 Has anyone got this combo or tried it Extender EF 2x III (or the 1.4 version) and 70 200 non IS zoom.
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bildeb0rg Goldmember  More info | Jan 21, 2019 13:35 | #2 I've tried it with the 2x mkII on a 1D mkIII and while yes it works, it didn't work well imho. Slow to focus, not snappy to lock on, dim viewfinder, the mkIII may be better?
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Jan 21, 2019 14:03 | #3 I have the 2x II not the III and yes, it is not the best on my 70-200. 100-400, or the 400 5.6. It works but their is a degrading of photo quality and focus speed. I am going to sell my 400 5.6 Rob since picking up the 100-400.. Done with Numbers. Own the X and the R
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Cheers for the replies.
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Choderboy I like a long knob More info | Jan 25, 2019 12:53 | #5 Rob-P wrote in post #18798127  Cheers for the replies. Hey squashed, care to post any results from using your 100 400 when you can? Would be interested in seeing what it's like.
Dave
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TeamSpeed 01010100 01010011  More info | Jan 25, 2019 13:42 | #6 MK III TCs have AF improvements for a number of lenses, just something to think about... Past Equipment | My Personal Gallery
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cristphoto Goldmember 1,052 posts Likes: 72 Joined Feb 2010 Location: Maryland More info | Jan 25, 2019 16:29 | #7 I tried the version 2 2x extender briefly on my 70-200 2.8 IS but didn't like the performance. Got the version 2 1.4 extender and it works well on my 70-200, 100-400, and 135 lenses. Have not used the ver 3 so can't comment. 1DX MK II, 5D MKIV x2, 24L II, 35L II, 50L, 85LIS, 100LIS Macro, 135L, 16-35LIS, 24-105LIS II, 70-200LIS, 100-400LIS II
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CyberDyneSystems Admin (type T-2000)  More info Post edited over 4 years ago by CyberDyneSystems. | Jan 25, 2019 16:38 | #8 - No 2X is very good with that older 70-200mm. Workable, but not great. GEAR LIST
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TeamSpeed 01010100 01010011 More info | Jan 25, 2019 19:21 | #9 CyberDyneSystems wrote in post #18798447 - No 2X is very good with that older 70-200mm. Workable, but not great. - The old non IS 70-200mm will gain NO benefit from the 2XMkIII vs. 2X 2 - You don't mention what body you are using, only some of the most recent bodies will gain any benefit from the MkIII 2X. The MKIII 2x is optically superior to the MKII, so there would be a gain from IQ. It is the 1.4x II vs 1.4xIII that only really seems to have AF differences with hardly any IQ difference. Past Equipment | My Personal Gallery
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