• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)

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Differences

Sony A99 advantages over Pentax MX-1

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs 1/1.7 inch
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.97 vs 1.90 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.70 vs 2.2 sec
    Faster startup lets you catch the moment
  • Better color depth
    25.0 vs 20.4 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,555 vs 208 iso
    Take photos in low light with less noise
  • More dynamic range
    13.9 vs 11.2 evs
    Retain detail in highlight and shadows
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 500 vs 290 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Less shutter lag
    0.13 vs 0.24 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 12.0 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    5.9 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    17 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    51200 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Pentax MX-1 advantages over Sony A99

  • Less expensive
    $500 vs $2800 (MSRP)
    Save money for lenses or accessories
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    51 mm vs 78 mm
    Thinner
  • Lighter weight
    399g vs 828g
    Lighter weight
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

Buy From

Review Excerpt

  • Good image quality for a compact camera in its class; Sharp, bright f/1.8-2.5 lens with 4x optical zoom; Cool retro-styled design with brass top and bottom plates; Tilting LCD; Exposure compensation dial; Speedy and accurate autofocus; Full HD video recording.

  • Image detail starts dropping off noticeably above ISO 800, and noise becomes problematic at ISO 3200 and beyond; Sluggish cycle times and burst performance; Issues with purple fringing in some shooting scenarios; Heavier and larger than other cameras in its class.

The Competition

Compared to Nikon D800

Sony A99
Nikon D800
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $1850
  • 35mm
  • Lens selection
  • Fast startup
Pentax MX-1
Nikon D800
  • $399
  • 1/1.7 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $1850
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon 5D Mark III

Sony A99
Canon 5D Mark III
  • $1998
  • 35mm
  • Focus peaking
  • Tilt-swivel screen
  • $2079
  • 35mm
  • Lens selection
  • Fast startup
Pentax MX-1
Canon 5D Mark III
  • $399
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • In-camera panoramas
  • $2079
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon D800E

Sony A99
Nikon D800E
  • $1998
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $2212
  • 35mm
  • Lens selection
  • Fast startup
Pentax MX-1
Nikon D800E
  • $399
  • 1/1.7 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $2212
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Olympus XZ-2

Sony A99
Olympus XZ-2
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $470
  • 1/1.7 inch
  • Less expensive
  • Touchscreen
Pentax MX-1
Olympus XZ-2
  • $399
  • 1/1.7 inch
  • Less expensive
  • Shoots 60p video
  • $470
  • 1/1.7 inch
  • Touchscreen
  • Hot shoe

Compared to Canon G16

Sony A99
Canon G16
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $499
  • 1/1.7 inch
  • Built-in Wi-Fi
  • Longer stills battery life
Pentax MX-1
Canon G16
  • $399
  • 1/1.7 inch
  • In-camera panoramas
  • Tiltable Screen
  • $499
  • 1/1.7 inch
  • Focus peaking
  • Slower slow-motion
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