« on: January 12, 2015, 12:46:08 PM »
Impressive collection... I am sure you have some stories to tell. 55 countries in about 3 years... how did you manage to do that?
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He mentions needing thin UV filter preferably with double threading so lens caps stay on. But he doesn't recommend any.
Anyone know which brands/models work without adding to the vignette?
My experience with the 300/2.8 II + 2xTCIII having poor AF speed and hunting on the 7D has been duplicated by others. Many of us have found poor inconsistency of AF in general. Lensrental has somewhere on its blog showing the AF consistency of the 7D being far worse than the 5DIII.
The series II telephotos have a different feedback loop system from the series I and required the series III TCs to be developed. I have no idea how the series I telephotos AF perform with the 7D plus TCs. By all accounts, the 300/2.8 I takes an IQ hit with the 2xTC.
As I posted earlier, the big difference is in AF. The 7D's AF is far more erratic and has real difficulties on such combinations as the 300mm f/2.8 II with 2xTC. This has been corrected with the 70D, which is why I sold my 7D and bought the 70D. The other differences between the two are minor. N
..., the EOS 5D Mark III and 70D advanced-amateur-model digital SLR cameras ...
In essence, does this mean Canon tried to embed a non-genuine battery detection into the charger and screwed it up?
As I have enough for the 70-200mm f2.8L IS II, this seemed like a no-brainer by reading all the rave reviews online. However, I tried it out in the store yesterday, and found it to be quite heavy compared to the 70-200mm f4L IS. I am afraid that I might buy it, but don't use it as much as it deserves because of lugging around a 1.4kg lens and a 0.7kg camera a full day might be quite tiresome on my arms and back.
The Sigma 50 1.4 is very good on the Canon 5D3 body. Something about the 5D3 focus system that just makes the Sigma work perfectly. I say this because the same Sigma lens on my old 7D had the usual focus shift inconsistency.