When comparing Fujifilm X-Pro2 vs Sony a7R II, the Slant community recommends Sony a7R II for most people. In the question“What are the best mirrorless cameras?” Sony a7R II is ranked 3rd while Fujifilm X-Pro2 is ranked 7th. The most important reason people chose Sony a7R II is:
The camera has a 42MP BSI-CMOS sensor. Both in good light and low light, whether you're shooting in RAW or JPEG, the images have excellent detail. You can check out detailed studio tests over at [DPReview](http://www.dpreview.com/reviews/sony-alpha-7r-ii/5).
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Pro Offers a simple way to access commonly used menu options
You can put your most often used menu options in a separate menu tab called My Menu for quick access.
Pro Reasonable video quality
While minor moire and oversharpening issues can be noticed, the video quality is comparable to most other cameras in this class. The camera can shoot at up to 1080p at 60fps.
Pro Great high ISO performance
Noise reduction on the camera works amazingly well. Up until ISO 3200 noise is minimal even with 100% crops with it becoming noticeable at ISO 6400 and up.
Pro Excellent image quality
Great JPEG output. The camera offers useful processing options for JPEGs. Great RAW performance. Moire is virtually nonexistent.
Pro Reasonable continuous AF performance
Pro Good amount of customization options
Pro Excellent image quality
The camera has a 42MP BSI-CMOS sensor. Both in good light and low light, whether you're shooting in RAW or JPEG, the images have excellent detail. You can check out detailed studio tests over at DPReview.
Pro Great Auto ISO implementation
Pro In-body image stabilization
Pro Good 4K video
The camera can capture 4K30 (at up to 100Mbps), 1080p60 and 720p120 video internally and save to XAVC S with S-Log2 color profile. The video is detailed with little noise both in good light and in low light.
It's worth noting that 4K video is slightly better when shooting using the Super 35 region of the sensor instead of the full sensor region while 1080p performs better when shot at full width of the sensor and downsampled.
Pro The camera can be used while it's charging over USB
Pro Good AF for video
Camera's autofocus is fast and decisive. And it allows a good degree of control over how it behaves. You can adjust the focusing speed as well as sensitivity.
Pro Face detection AF for video
Pro Good video shooting tools
The camera has a zebra and focus peaking tools allowing you to monitor focus and exposure while shooting.
Pro Flat color profile for video
Pro Has a completely silent mode
If set up to use electronic shutter, the camera makes zero noise.
Pro Excellent AF point coverage
399 phase-detect AF points and additional 25 contrast-detect AF points.
Pro Excellent continuous AF
Both in good light and in low light.
Pro Good noise reduction control
Pro Flat color profile available for increased dynamic range
A flat color profile captures footage in low contrast and higher dynamic range allowing for easier color grading in post-production.
Pro Great dynamic range
Pro Excellent low-light capabilities
The camera has class-leading high ISO capabilities. A look at real-world high ISO shots can be found here.
Con AF tracking in continuous shooting is highly lens dependent
With some lenses the tracking is fast and the hit-rate is high while others give highly inconsistent results. Additionally, while overall the faster the lens the better the results, there are exceptions. And while such behaviour is expected with all cameras, the degree to which X-Pro 2 is affected by this is noticeably greater than comparable cameras.
Con Continuous autofocus while shooting video is not safe
AF can decide to refocus in the middle of capturing footage.
Con Auto ISO can't be set up based on focal-length
Con ISO dial is somewhat impractical
Con Cumbersome menu system
The camera has a plethora of poorly organized menu items.
Con Continuous shooting is limited to 5fps
With 5 frames per second the camera lags behind other cameras. If you're looking to shoot sports, this camera might not be the best choice.
Con Limited selection of native lenses
Sony has a comparatively little selection of lenses and while you can add an adapter to use lenses from other manufacturers, that choice comes at the expense of some functionality.
Con Screen is not touch sensitive
Switching AF points could be simplified by having a touchscreen.