Sony A7R IV review: 61 megapixels of pure power

In addition to the highest resolution available in a full-frame digital camera, the A7R IV has fantastic image quality, cutting edge focus modes and decent video options. Read our full story on Engadget: Get More Engadget: • Like us on Facebook:   / engadget   • Follow us on Twitter:   / engadget   • Follow us on Instagram:   / engadget   • Read more: http://www.engadget.com