FE100-400G+teleconverter versus Tamron 150-600

Started 9 months ago | Questions thread
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roger2013 Regular Member • Posts: 140
FE100-400G+teleconverter versus Tamron 150-600

Does anyone know how the new FE100-400 with a teleconverter (I guess 1.4 times) would compare for IQ and autofocus with a Tamron 150-600 (original version) on EA-LA3, using an A7R3? I have the Tamron, though due to work and terrible weather recently, I haven’t had any opportunity to try it out on the new body. I would be looking for birds and overcast/rainy weather just does not give enough light, even with IBIS. I assume that, on its own, the Sony would be better, but was wondered how the Tamron on its own would compare with the Sony+1.4 converter. (I am assuming a 2x converter would not be very good, but maybe that is too pessimistic.)

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