The Sony A7r, A7, and A7s have varying levels of maximum magnification for manual focusing, based on their different megapixel counts. I've made a video demonstrating how the magnification level affects the ease at which a subject can be manually focused. Shot with a Voigtlander 40mm Ultron II lens (Nikon mount) @ f/2.8 at a subject distance of 9 1/2 feet. Live View output was captured over HDMI with a HyperDeck Shuttle 2, using the Apple ProRes 422 codec.
Sony A7 Series Manual Focus Comparison
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