• 0.98 inch 285.7mm2
  • 4.6 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 819,200

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Differences

Sigma DP1 advantages over Pentax KP

  • Bigger pixels
    ~ 7.84 vs 3.91 microns
    Better low-light and dynamic range (all else equal)
  • Thinner
    50 mm vs 75 mm
    Thinner
  • Lighter weight
    278g vs 699g
    Lighter weight

Pentax KP advantages over Sigma DP1

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 0.98 inch
    More sensor area. Bigger is (generally) better.
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Fast startup
    ~1.40 vs 3.9 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Longer stills battery life
    More info 390 vs 250 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    8 years vs 17 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.09 vs 1.53 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 4.6 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    7.1 fps vs 3.8 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    35 vs 3 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/24000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    819200 vs 800 ISO
    Higher extended ISO can give more low-light flexibility

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.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review video
  • 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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Review Excerpt

The Competition

Compared to Nikon D5500

Sigma DP1
Nikon D5500
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $697
  • APS-C
  • Larger sensor
  • Tilt-swivel screen

Compare Sigma DP1 vs Nikon D5500

Pentax KP
Nikon D5500
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $697
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax KP vs Nikon D5500

Compared to Pentax K-3 II

Sigma DP1
Pentax K-3 II
  • $999
  • 0.98 inch
  • Bigger pixels
  • Internal flash
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor

Compare Sigma DP1 vs Pentax K-3 II

Pentax KP
Pentax K-3 II
  • $999
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
  • $830
  • APS-C
  • Less expensive
  • Built-in GPS

Compare Pentax KP vs Pentax K-3 II

Compared to Nikon D3400

Sigma DP1
Nikon D3400
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $497
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Sigma DP1 vs Nikon D3400

Pentax KP
Nikon D3400
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $497
  • APS-C
  • Less expensive
  • Fast startup

Compare Pentax KP vs Nikon D3400

Compared to Nikon D5600

Sigma DP1
Nikon D5600
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $898
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compare Sigma DP1 vs Nikon D5600

Pentax KP
Nikon D5600
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax KP vs Nikon D5600

Compared to Canon T7i

Sigma DP1
Canon T7i
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $700
  • APS-C
  • Larger sensor
  • Tilt-swivel screen

Compare Sigma DP1 vs Canon T7i

Pentax KP
Canon T7i
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax KP vs Canon T7i

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