The Sony A7 and A7R have each received a number of performance boosts thanks to new firmware updates
The Sony FE 70-200-mm F4 G will focus faster with the Sony A7 and A7R after the firmware updates
Sony has released firmware updates for it's flagship A7 and A7R mirrorless cameras, improving the performance of the already very capable duo. The main benefits of the update include faster start-up times, improved image quality and quicker autofocus with some lenses.
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