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Hi, I been considering a teleconverter before, but it has now been more of a reality since I finally bought the tamron 70-200 2.8. I have been considering several converters, both old used ones and brand new, but find it difficult to get good and decent reviews on them. I am currently considering some kenko converters, and the main choice is to choose between a 1.5x AF DG Teleplus converter or the 2x AF DG converter (either the MC4 or the MC7 that seems more than twice the price of the MC4).
Anyone with first hand experience on either of those? what do I loose with the 2x converters that I don't with the 1.5x converter, besides the obvious loss of 1 extra f/stop.
Would be grateful for any inputs on this.
I would primarily use this to hunt for birds and simple wildlife. I am aware that a TC will not be a fullworthy replacement of a true 300/400mm lens, but for my vallet after buying the 70-200 it is a obvious choice.