• APS-C 366.6mm2
  • 24.1 megapixels
  • ISO 100 - 6400
  • 35mm 858.0mm2
  • 24.6 megapixels
  • ISO 100 - 25,600

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Differences

Nikon D7100 advantages over Sigma fp

  • Less expensive
    $849 vs $1599
    Save money for lenses or accessories
  • 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
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video

Sigma fp advantages over Nikon D7100

  • 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.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.98 vs 3.92 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 76 mm
    Thinner
  • Newer
    5 years vs 12 years old
    Newer cameras often support more advanced features
  • More dots on screen
    2100k vs 1229k dots
    Can mean greater resolution or a brighter screen
  • Faster JPEG shooting
    18.0 fps vs 5.8 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    18.0 fps vs 5.3 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    12 vs 5 shots
    Larger buffer for RAW shots (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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Your purchases support this site

Buy the Nikon D7100

Review Excerpt

  • Solid, ergonomic body design; Stunning, highly detailed photos, thanks to 24.1MP sensor upgrade and removal of optical low-pass filter; Cool 1.3x crop mode extends reach to nearly 2x the full-frame equivalent; Records Full 1080p HD video at up to 30fps with full-time AF; Many pro-level features packed into a consumer-friendly body at reasonable price.

  • Shallow buffer that hampers continuous burst shooting; AF slightly slower than average for its class; No real-time aperture control while in Movie mode (among other quirks); More noticeable moire patterns and aliasing artifacts (but only found when shooting fabrics with strong, distinct patterns).

The Competition

Compared to Canon 70D

Nikon D7100
Canon 70D
  • $690
  • APS-C
  • Less expensive
  • Fast startup
  • $1149
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sigma fp
Canon 70D
  • $1699
  • 35mm
  • Focus peaking
  • Larger sensor
  • $1149
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Pentax K-3

Nikon D7100
Pentax K-3
  • $690
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sigma fp
Pentax K-3
  • $1699
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $699
  • APS-C
  • Eye-level viewfinder
  • Internal flash

Compared to Sony A77 II

Nikon D7100
Sony A77 II
  • $690
  • APS-C
  • Lens selection
  • Less expensive
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
Sigma fp
Sony A77 II
  • $1699
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compared to Sony A7C

Nikon D7100
Sony A7C
  • $690
  • APS-C
  • Less expensive
  • Lens selection
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
Sigma fp
Sony A7C
  • $1699
  • 35mm
  • Thinner
  • More dots on screen
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compared to Sigma fp L

Nikon D7100
Sigma fp L
  • $690
  • APS-C
  • Eye-level viewfinder
  • Longer stills battery life
  • $2499
  • 35mm
  • Focus peaking
  • Larger sensor
Sigma fp
Sigma fp L
  • $1699
  • 35mm
  • Bigger pixels
  • Higher max flash sync
  • $2499
  • 35mm
  • Newer
  • More pixels
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