Title: Great upgrade from the 50 1.8 II
Review: I recently upgraded from the 50 1.8 Mark II to the 50 1.4. I find this lens to have a nicer rendering when used wide open, smoother bokeh, and I like the build better (though its no L quality lens). It works well on both my 5D Mark II and my T3i. Definitely a worthwhile upgrade.
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