When comparing Olympus OM-D E-M10 Mark IV vs Panasonic Lumix G7, the Slant community recommends Olympus OM-D E-M10 Mark IV for most people. In the question“What are the best mirrorless cameras under $1,000?” Olympus OM-D E-M10 Mark IV is ranked 16th while Panasonic Lumix G7 is ranked 19th. The most important reason people chose Olympus OM-D E-M10 Mark IV is:
The memory card slot supports high-speed UHS-II cards.
Specs
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Pros
Pro UHS-II card support
The memory card slot supports high-speed UHS-II cards.
Pro Slim, retro style
Pro 4K video
Can shoot 4K at 30 fps, with a recording limit of 29 minutes.
Pro Built-in flash
Pro MFT lens mount allows for a wide variety of lenses to choose from
Micro Four Thirds system is a standard used by Panasonic, Olympus, Sigma and many others so you're not locked into a having to buy lenses from one manufacturer.
Pro Shoots good quality 4K@30 video
The G7 takes footage from a crop of the sensor and includes focus peaking and zebra striping tools allowing you to get good quality video.
Cons
Con Complex menus
Camera body is a bit cluttered with controls and the menu system is overly complex.
Con No add-on microphone support
Con Can't zoom in on video in playback mode
There's no way to zoom in on the screen in playback mode to check details of the footage.
