When comparing Olympus OM-D E-M10 Mark IV vs Olympus OM-D E-M5 II, the Slant community recommends Olympus OM-D E-M10 Mark IV for most people. In the question“What are the best cameras for photography under $1000?” Olympus OM-D E-M10 Mark IV is ranked 3rd while Olympus OM-D E-M5 II is ranked 17th. 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 Good kit lens
The Olympus M. Zuiko Digital ED 12-40mm f/2.8 Pro lens has a very good build quality and is fast across the full zoom range with a constant 2.8 aperture.
Pro In-body camera stabilization
The camera has a built in 5-axis stabilization.
Pro Weather-sealed
The camera is dust proof, splash proof and freeze proof. You shouldn't have an issue with electronics when shooting in rain and other harsh conditions.
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
