Sony Alpha a7R V Mirrorless Digital Camera

The a7R V supports CFexpress Type A and SDXC/SDHC memory cards.

The a7R V uses the NP-FZ100 rechargeable lithium-ion battery.

Yes, the a7R V features 5-axis in-body image stabilization, providing up to 8 stops of compensation.

Yes, it shoots 4K video at up to 60p and 8K video at up to 24p.

The electronic viewfinder has a resolution of 9.44 million dots.

Yes, it features a 3.2-inch multi-angle touchscreen LCD monitor.

Warranty information can be found on the Sony website or included documentation.

You can update the firmware by downloading it from the Sony support website and following the on-screen instructions.

Check the battery and ensure it's properly inserted and charged. If the battery is charged, try a different battery.

Check the focus settings and ensure the lens is properly focused. Increase the shutter speed or use a tripod to reduce motion blur.

Make sure the lens and camera settings are set to autofocus. Clean the lens contacts. Select the appropriate AF mode for the subject.

Make sure Wi-Fi is enabled in the camera settings. Check your network name and password and ensure the camera is within range of the router.

Check the microphone settings and ensure that the microphone is enabled. Adjust the microphone input level. Ensure the correct audio input is selected.