• APS-C 372.9mm2
  • 12.3 megapixels
  • ISO 200 - 3200
  • APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200

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Differences

Nikon D300 advantages over Pentax K-7

  • Fast startup
    ~0.30 vs 0.6 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    679 vs 536 iso
    Take photos in low light with less noise
  • More dynamic range
    12.0 vs 10.6 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 1000 vs 740 shots
    Capture more photos
  • Faster JPEG shooting
    6.1 fps vs 5.2 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    37 vs 20 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-7 advantages over Nikon D300

  • Less expensive
    $1300 vs $1800 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Less shutter lag
    0.09 vs 0.23 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    14.6 vs 12.3 megapixels
    Higher resolution photos

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting 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

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Review Excerpt

The Competition

Compared to Samsung GX-20

Nikon D300
Samsung GX-20
  • $1800
  • APS-C
  • HDMI out
  • More dots on screen
  • $1400
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Pentax K-7
Samsung GX-20
  • $1300
  • APS-C
  • HDMI out
  • More dots on screen
  • $1400
  • APS-C
  • Higher effective ISO

Compared to Sony DSLR-A380

Nikon D300
Sony DSLR-A380
  • $1800
  • APS-C
  • Lens selection
  • Fast startup
  • $849
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Pentax K-7
Sony DSLR-A380
  • $1300
  • APS-C
  • Lens selection
  • Longer stills battery life
  • $849
  • APS-C
  • Less expensive
  • Tiltable Screen

Compared to Pentax K-x

Nikon D300
Pentax K-x
  • $1800
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $702
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Pentax K-7
Pentax K-x
  • $1300
  • APS-C
  • Longer stills battery life
  • Top deck display
  • $702
  • APS-C
  • Less expensive
  • Higher effective ISO

Compared to Canon T2i

Nikon D300
Canon T2i
  • $1800
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $692
  • APS-C
  • Less expensive
  • Higher effective ISO
Pentax K-7
Canon T2i
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $692
  • APS-C
  • Less expensive
  • Fast startup

Compared to Sony A55

Nikon D300
Sony A55
  • $1800
  • APS-C
  • Lens selection
  • Fast startup
  • $734
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Pentax K-7
Sony A55
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $734
  • APS-C
  • Less expensive
  • In-camera panoramas
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