• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 102,400

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Differences

Sony A58 advantages over Pentax K-70

  • Less expensive
    $598 vs $797
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Longer stills battery life
    More info 700 vs 410 shots
    Capture more photos
  • Lighter weight
    731g vs 1122g
    Lighter weight
  • More AF points
    15 vs 11
    More AF points improve autofocus

Pentax K-70 advantages over Sony A58

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Fast startup
    ~1.00 vs 1.9 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More telephoto lens reach
    203 mm vs 83 mm
    Capture objects farther away with the kit lens
  • More cross-type AF points
    9 vs 3
    Cross-type AF points improve autofocus performance
  • Newer
    2 years vs 6 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    307k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.63x vs 0.57x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 20.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    6.1 fps vs 4.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    47 vs 8 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    6.1 fps vs 4.8 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    11 vs 6 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 16000 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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

Buy From

Your purchases support this site

Buy the Pentax K-70

Review Excerpt

  • Improved 20.1-megapixel resolution; Impressive image quality, especially for its price; Fast and decisive autofocus (in most conditions); Very good battery life; Good video quality (Full HD 1080p, though it doesn't support 60p frame rate).

  • Plastic lens mount; Slower burst mode speeds and shallower buffer than A57; LCD no longer fully articulating; Mediocre kit lens; Electronic instead of an optical viewfinder may be a turnoff for some.

  • Huge bang for the buck; Great image quality; Excellent high ISO performance; Fast autofocus; Good burst frame rate with deep buffer; Pentaprism viewfinder; Twin control dials; Articulated LCD; Comprehensive weather-sealing and freeze-proofing; Unbelievable wealth of rare to unique (yet very useful) features

  • Wi-Fi wireless communication is slow, clumsy and unintuitive; Video autofocus is prone to hunting or racking focus; Slow buffer clearing; Rather heavy for an entry-level DSLR; Autofocus and metering systems are a bit dated; Below average battery life

The Competition

Compared to Nikon D5200

Sony A58
Nikon D5200
  • $598
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $520
  • APS-C
  • Lens selection
  • Less expensive
Pentax K-70
Nikon D5200
  • $595
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $520
  • APS-C
  • Less expensive
  • Fast startup

Compared to Canon T5i

Sony A58
Canon T5i
  • $598
  • APS-C
  • Focus peaking
  • Larger sensor
  • $547
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Pentax K-70
Canon T5i
  • $595
  • APS-C
  • Focus peaking
  • Larger sensor
  • $547
  • APS-C
  • Less expensive
  • Touchscreen

Compared to Nikon D3300

Sony A58
Nikon D3300
  • $598
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $438
  • APS-C
  • Lens selection
  • Less expensive
Pentax K-70
Nikon D3300
  • $595
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $438
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Canon T6s

Sony A58
Canon T6s
  • $598
  • APS-C
  • Less expensive
  • Focus peaking
  • $765
  • APS-C
  • Tilt-swivel screen
  • Lens selection
Pentax K-70
Canon T6s
  • $595
  • APS-C
  • Less expensive
  • Focus peaking
  • $765
  • APS-C
  • Touchscreen
  • NFC

Compared to Canon 77D

Sony A58
Canon 77D
  • $598
  • APS-C
  • Less expensive
  • Focus peaking
  • $749
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Pentax K-70
Canon 77D
  • $595
  • APS-C
  • Focus peaking
  • Larger sensor
  • $749
  • APS-C
  • Touchscreen
  • Fast startup
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