• 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 100 - 6400
  • 35mm 858.0mm2
  • 24.6 megapixels
  • ISO 100 - 25,600

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Differences

Nikon D800 advantages over Sigma fp

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher max flash sync
    1/250 vs 1/30 sec
    Reduce the effect of ambient light in flash shots
  • More pixels
    36.3 vs 24.6 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
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    54 vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    18 vs 12 shots
    Larger buffer for RAW shots (burst mode)

Sigma fp advantages over Nikon D800

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.98 vs 4.88 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Thinner
    45 mm vs 81 mm
    Thinner
  • Newer
    5 years vs 13 years old
    Newer cameras often support more advanced features
  • Lighter weight
    422g vs 1008g
    Lighter weight
  • More dots on screen
    2100k vs 922k dots
    Can mean greater resolution or a brighter screen
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    18.0 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    18.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

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Buy the Nikon D800

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Buy the Sigma fp
Body Only
  • Body Only
  • Kit with 45mm f/2.8 lens
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Review Excerpt

  • Rugged build; Excellent controls; Extremely high resolution; Dual cards; Surprising high ISO performance.

  • Very large files; Slower frame rate; Custom white balance gives a greenish tint; Battery life lower than D700.

  • Read our Nikon D800 Review

The Competition

Compared to Canon 5D Mark III

Nikon D800
Canon 5D Mark III
  • $1850
  • 35mm
  • Fast startup
  • Higher effective ISO
  • $2079
  • 35mm
  • Bigger pixels
  • More cross-type AF points

Compare Nikon D800 vs Canon 5D Mark III

Sigma fp
Canon 5D Mark III
  • $1699
  • 35mm
  • Less expensive
  • Focus peaking
  • $2079
  • 35mm
  • Eye-level viewfinder
  • Top deck display

Compare Sigma fp vs Canon 5D Mark III

Compared to Nikon D800E

Nikon D800
Nikon D800E
  • $1850
  • 35mm
  • Has anti-aliasing filter
  • $2212
  • 35mm
  • Lacks anti-aliasing filter

Compare Nikon D800 vs Nikon D800E

Sigma fp
Nikon D800E
  • $1699
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $2212
  • 35mm
  • Eye-level viewfinder
  • Internal flash

Compare Sigma fp vs Nikon D800E

Compared to Nikon D810

Nikon D800
Nikon D810
  • $1850
  • 35mm
  • Fast startup
  • Has anti-aliasing filter
  • $2997
  • 35mm
  • Longer stills battery life
  • Lacks anti-aliasing filter

Compare Nikon D800 vs Nikon D810

Sigma fp
Nikon D810
  • $1699
  • 35mm
  • Focus peaking
  • Less expensive
  • $2997
  • 35mm
  • Eye-level viewfinder
  • Internal flash

Compare Sigma fp vs Nikon D810

Compared to Sony A7C

Nikon D800
Sony A7C
  • $1850
  • 35mm
  • Lens selection
  • Internal flash
  • $1598
  • 35mm
  • Focus peaking
  • Tilt-swivel screen

Compare Nikon D800 vs Sony A7C

Sigma fp
Sony A7C
  • $1699
  • 35mm
  • Thinner
  • More dots on screen
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Sony A7C

Compared to Sigma fp L

Nikon D800
Sigma fp L
  • $1850
  • 35mm
  • Eye-level viewfinder
  • Bigger pixels
  • $2499
  • 35mm
  • Less expensive
  • Focus peaking

Compare Nikon D800 vs Sigma fp L

Sigma fp
Sigma fp L
  • $1699
  • 35mm
  • Bigger pixels
  • Higher max flash sync
  • $2499
  • 35mm
  • More pixels
  • Has anti-aliasing filter

Compare Sigma fp vs Sigma fp L

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