The Sony a7 IV isn't meant for action video. It isn't waterproof and isn't designed for mounting to a helmet or chest rig. It isn't the most portable camera either. 4k frame rate options are also a bit limited for action video since it can't record at high frame rates in 4k and can only shoot 4k / 60 fps with a large 1.5x crop. Since the Sony A7 IV is a very common choice for professional wedding & portrait photographers and videographer, a 70-200mm f/2.8 is a must-have, and this one is literally the best. Also a “mark 2” version like the 24-70mm f/2.8 GM II, the Sony FE 70-200mm f/2.8 GM OSS II is not just the best choice for Sony users, it’s also the best 70 And here are the new key features that the a7 IV gains: 33MP full-frame Exmor R ™ back-illuminated CMOS sensor. 8x more powerful, next generation BIONZ XR ™ image processing engine. Up to 4K 60p (APS-C) 10-bit 4:2:2 w/full pixel readout in all rec. formats. 7K oversampling full-frame 4K 30p 10-bit 4:2:2 w/ no pixel binning. With the Sony A7 III and the other more recent Sony cameras, there is still no option to change any of the autofocus settings, but perhaps most disappointing is that there is no way to change the AF point, or use touch AF from the phone. Given that this is most likely one of the key features of a remote control app, it does seem to be a huge .

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