In the meantime, until Sony introduces a new FW, that is, you will be better off using the A9 or A9 II with the G 200-600mm lens. If you insist in using the A7r IV, then your best bet would be with the GM 600mm f/4. Take your pick .
May 09, 2020 at 03:28 PM
Previous versions of AGeoJO's message #15222954 « Giving up on a7RIV and 200-600 :-( »
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