• APS-C 366.6mm2
  • 24.1 megapixels
  • ISO 100 - 6400
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Nikon D7100 advantages over Olympus PEN-F

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.30 vs 1.8 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,256 vs 894 iso
    Take photos in low light with less noise
  • More dynamic range
    13.7 vs 12.4 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 950 vs 330 shots
    Capture more photos
  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More pixels
    24.1 vs 20.3 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

Olympus PEN-F advantages over Nikon D7100

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Thinner
    37 mm vs 76 mm
    Thinner
  • Newer
    3 years vs 6 years old
    Newer cameras often support more advanced features
  • Less shutter lag
    0.14 vs 0.25 sec
    Focus and take a photo quickly (wide angle)
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    10.4 fps vs 5.8 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    43 vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    10.5 fps vs 5.3 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    39 vs 5 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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

  • 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).

  • Highest resolution Olympus 4/3" camera yet; Excellent image quality for its class; Very good dynamic range; Fast autofocus; Fast burst speeds; Lots of fun creative filter options; Built-in EVF, Wi-Fi.

  • Expensive; No weather sealing; Mediocre battery life; No 4K video; No mic or headphone jacks.

The Competition

Compared to Canon 70D

Nikon D7100
Canon 70D
  • $795
  • APS-C
  • Fast startup
  • Higher effective ISO
  • $739
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Olympus PEN-F
Canon 70D
  • $999
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $739
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-3

Nikon D7100
Pentax K-3
  • $795
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Olympus PEN-F
Pentax K-3
  • $999
  • 4/3
  • Tilt-swivel screen
  • Touchscreen
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Nikon D5300

Nikon D7100
Nikon D5300
  • $795
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $445
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Olympus PEN-F
Nikon D5300
  • $999
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $445
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Olympus E-M5 II

Nikon D7100
Olympus E-M5 II
  • $795
  • APS-C
  • Larger sensor
  • Fast startup
  • $799
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus PEN-F
Olympus E-M5 II
  • $999
  • 4/3
  • In-camera panoramas
  • More pixels
  • $799
  • 4/3
  • Less expensive
  • Fast startup

Compared to Panasonic GX85

Nikon D7100
Panasonic GX85
  • $795
  • APS-C
  • Larger sensor
  • Fast startup
  • $598
  • 4/3
  • Less expensive
  • Focus peaking
Olympus PEN-F
Panasonic GX85
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • Shoot 4K video
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