Looking for an answer to the question: Are 2x teleconverters any good? On this page, we have gathered for you the most accurate and comprehensive information that will fully answer the question: Are 2x teleconverters any good? Taking a 70-200mm f/2.8 lens as an example again, a 2x converter would make it effectively a 140-400mm f/5.6 lens – still not bad! … [Read more...] about Are 2x teleconverters any good?