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PDF version Converter versus Converter

Converter versus Converter

I've acquired two inexpensive 1.4x teleconverters: the "generic" Tamron-F 1.4x MC4 (identical to the Teleplus and cheap-o Kenko), and the decidedly more up-market Sigma EX 1.4x APO. I finally got around to doing a shootout between the two. Given Sigma's solid reputation for optics, I was expecting the Sigma EX to win in a walk... but it turns out it wasn't as simple as that.




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