• APS-C 369.7mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • 35mm 855.6mm2
  • 24.3 megapixels
  • 35.00mm (35mm eq.)

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Differences

Pentax K-5 II advantages over Sony RX1R

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Fast startup
    ~0.60 vs 1.7 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 740 vs 220 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    6.7 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    28 vs 15 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    6.7 fps vs 5.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    22 vs 15 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Sony RX1R advantages over Pentax K-5 II

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.97 vs 4.81 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher effective ISO
    2,537 vs 1,235 iso
    Take photos in low light with less noise
  • Higher max flash sync
    1/4000 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More pixels
    24.3 vs 16.3 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Pentax K-5 II

Review Excerpt

  • Compact yet control-rich body packs in the features; Updated autofocus system focuses in near-darkness; Fully weather-sealed; Sharp, detailed images with very good dynamic range; In-body image stabilization; Dual-axis level with horizon correction.

  • Can seem intimidating at first; Fewer autofocus points than competitors; Doesn't take advantage of high-speed UHS-I flash cards; Movie feature set is very dated and file sizes huge.

  • Significantly sharper, more detailed JPEG images than those from the RX1; JPEG processing appears to minimize moire and aliasing artifacts; Same price as the RX1; Full-frame, 24-megapixel compact camera with fast Carl Zeiss Sonnar 35mm f/2 T* lens; Blazing fast autofocus; Impressive image quality that rivals (and sometimes surpasses) full-frame DSLRs.

  • More prone to moire, aliasing and false color than the RX1; Only subtle improvement in sharpness in RAW files; Fixed-length lens limits shooting flexibility; Viewfinders (optical or electronic) only available as optional accessories; Extremely expensive for a compact camera.

The Competition

Compared to Nikon D7000

Pentax K-5 II
Nikon D7000
  • $699
  • APS-C
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
Sony RX1R
Nikon D7000
  • $2598
  • 35mm
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Eye-level viewfinder
  • Fast startup

Compared to Pentax K-30

Pentax K-5 II
Pentax K-30
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $599
  • APS-C
  • Less expensive
  • Focus peaking
Sony RX1R
Pentax K-30
  • $2598
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $599
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compared to Canon T4i

Pentax K-5 II
Canon T4i
  • $699
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $579
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony RX1R
Canon T4i
  • $2598
  • 35mm
  • Focus peaking
  • Larger sensor
  • $579
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony RX1

Pentax K-5 II
Sony RX1
  • $699
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization
  • $2398
  • 35mm
  • Focus peaking
  • Larger sensor
Sony RX1R
Sony RX1
  • $2598
  • 35mm
  • Lacks anti-aliasing filter
  • $2398
  • 35mm
  • Has anti-aliasing filter

Compared to Sony RX1R II

Pentax K-5 II
Sony RX1R II
  • $699
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup
  • $3298
  • 35mm
  • Focus peaking
  • Larger sensor
Sony RX1R
Sony RX1R II
  • $2598
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3298
  • 35mm
  • Eye-level viewfinder
  • Tiltable Screen
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