Comparisons / Comparison of Pentax K-7 and Sony Alpha DSLR-A700

Comparison of Pentax K-7 and Sony Alpha DSLR-A700 [S]ave

Attribute
Sony Alpha DSLR-A700 ×
Pentax K-7 ×
General
ModelSony Alpha DSLR-A700Pentax K-7
BrandSonyPentax
Manufacturer urlhttps://www.sony.com/https://us.ricoh-imaging.com/
Model numberA700K-7
Camera formatPro SLRPro SLR
Release year (year)20072009
Tripod mount++
Length (mm)142130
Width (mm)8074
Height (mm)10597
Weight (g)690758
Waterproof--
Predecessor-Pentax K20D
Successor-Pentax K-5
Image Sensor
Sensor typeCMOSCMOS
Sensor manufacturerSony-
Effective megapixels (MP)12.214.6
Sensor formatAPS-CAPS-C
Sensor area (mm²)369.72369.72
Sensor width (mm)23.723.7
Sensor height (mm)15.615.6
Approximate pixel pitch (micron)5.555.07
Focal Length Multiplier (x)1.51.5
Aspect ratio3:23:2
Color filter typeRGBGRGBG
Anti aliasing filterFixedFixed
Self-cleaning++
Sensor shift image stabilization++
On-sensor phase detect--
Dxo sensor score6661
Dxo color depth score (bit)22.322.6
Dxo dynamic range score (evs)11.910.6
Dxo maximum effective iso score (iso)581536
Image Capture
Image resolution
  • 2128 x 1200(2.6 mp other)
  • 2128 x 1424(3.0 mp other)
  • 3104 x 1744(5.4 mp 16:9)
  • 3104 x 2064(6.4 mp 3:2)
  • 4272 x 2400(10.3 mp 16:9)
  • 4272 x 2848(12.2 mp 3:2)
  • 1728 x 1152(2.0 mp 3:2)
  • 3072 x 2048(6.3 mp 3:2)
  • 3936 x 2624(10.3 mp 3:2)
  • 4672 x 3104(14.5 mp other)
Image file format
  • (arw 2.0)
  • craw
  • jpeg (exif 2.21)
  • raw
  • raw+jpeg
  • .dng)
  • jpeg (exif 2.21)
  • raw (.pef
Continuous-mode (fps)4.95.2
Video Capture
Can take movies-+
Movie resolution-
  • 1280x720
  • 1536x1024
  • 640x416
Image Storage
Movie file format-AVI (Motion JPEG)
Composite video out++
Ntsc/pal switchable video++
Video usable as viewfinder--
Hd video out++
Hd video connectionHDMIHDMI
Lens and Optics
Lens mountSony Alpha (Minolta A)Pentax K (KA/KAF/KAF2)
LensSony 18-70mm f/3.5-5.6 DT SAL-1870-
Focal length (35mm equivalent) (mm)27.00 - 105.00-
Focal length (actual) (mm)18.00 - 70.00-
Zoom ratio (x)3.88-
Aperture range (f)0.18 - 0.29-
Integrated nd filter--
Min focus range (cm)38-
Filter thread (mm)55-
Optical image stabilization--
Digital zoom--
Auto Focus
Auto focus++
Auto focus type11-area TTL phase detection; 10 line type sensors, center is twin-cross type; with eye-start AF11-point TTL phase-matching (SAFOX VIII)
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderOptical / LCD(playback only)Optical / LCD
Viewfinder typeSLR type; fixed eye-level pentaprism, 95%, 0.9x, 25mm eyepoint, -3 to +1 diopterSLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter
Focus peaking--
Viewfinder magnification (35mm equivalent) (x)0.60.61
Viewfinder magnification (nominal/claimed) (x)0.90.92
Display
Eye-level viewfinder++
Rear display++
Rear display size (inch)33
Rear display resolution (dots)921,600921,000
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)1232
Top deck display-+
Exposure
Maximum iso (native)3,2003,200
Minimum iso (native)100100
Iso settings100, 200, 400, 800, 1600, 3200; boost to 6400Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded)
Auto iso mode++
White balance settings
  • 500k to 9
  • 900k
  • auto
  • cloudy
  • color temperature from 2
  • custom
  • daylight
  • flash
  • fluorescent
  • shade
  • tungsten
  • auto
  • cloudy
  • color temperature
  • d
  • daylight
  • flash
  • fluorescent (w
  • n)
  • shade
  • tungsten
Shutter speed range (s)1/8000 - 301/8000 - 30
Bulb mode++
Exposure compensation+/- 3.0EV in 0.3EV steps+/- 5.0EV in 0.3EV steps
Explosure metering modes40-segment Honeycomb Pattern, Center-weighted, SpotTTL open-aperture: 77-segment, Center-weighted, Spot
Program auto exposure++
Aperture priority++
Shutter priority++
Full manual exposure++
Creative exposure modesPortrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night viewSensitivity Priority, Shutter and Aperture Priority, USER, Movie
Self timer (s)
  • 2
  • 10
  • 2
  • 12
Time lapse (intervalometer)-+
High resolution composite--
Flash
Built-in flash++
Flash modes
  • automatic
  • fill
  • manual
  • rear sync
  • red-eye reduction
  • slow sync
  • wireless
  • on
  • redeye
  • slow sync
  • slow sync + redeye
  • trailing curtain sync
  • wireless
Flash guide number (iso 100) (m)1213
Flash range descriptionLens dependentDepends on lens
Max flash sync (s)1/2501/180
Flash exposure compensation+/- 3.0 EV in 0.3EV steps-2 to +1 EV in 0.5EV steps
External flash connectionHot shoe, PC-syncHot Shoe, PC-Sync Socket
Built-in wireless flash control--
Usable memory types
  • cf1
  • cf2
  • microdriv
  • ms duo
  • ms pro duo
  • sd
  • sdh
Dual card slots+-
Raw capture support++
Uncompressed format
  • (arw 2.0)
  • craw
  • raw
  • raw+jpeg
  • .dng)
  • raw (.pef
Connectivity
Built-in wi-fi--
NFC--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 2.0 high speed
Pictbridge compliant+-
Dpof compliant++
Remote control++
Remote control type
  • wireless rmt-dslr1 included
  • wired or ir
Connections (extended)
  • dc input
  • hdmi type-c minijack
  • multi-connector
  • remote terminal
  • sync termimal
  • dc input
  • external stereo mic jack
  • wired remote
Performance Timing
Max cycle time for jpeg shooting (s/frame)0.410.3
Max cycle time for raw shooting (s/frame)0.480.3
Buffer size for raw shooting in single shot mode (frames)-13
Camera penalizes early shutter press--
Jpeg shooting speed in burst mode (max resolution) (fps)4.95.2
Buffer size for jpeg shooting in burst mode (max resolution) (frames)1320
Shutter lag (full af, wide/mid) (s)0.180.09
Shutter lag (full af, tele) (s)0.18-
Shutter lag (manual focus) (s)0.20.07
Shutter lag (full af, with flash) (s)0.220.15
Shutter lag (prefocused) (s)0.070.07
Shutter lag (notes)-Live ViewPhase-Detect Full AF: 1.2 secondsContrast-Detect Full AF: 2.3 secondsPrefocused: 0.405 second
Startup time (s)0.60.6
Play -> record time (s)0.60.1
Flash cycle time, full power (s)13.7
Power
Battery life, still (cipa rating ovf/evf) (shots)650740
Battery form factorProprietary NP-FM500HProprietary D-LI90
Usable battery types
  • lithium ion rechargeable
  • lithium-ion rechargeable
Batteries included1 x Proprietary NP-FM500H Lithium Ion rechargeable1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Dedicated battery charger included+-
Internal charging supported--
Software
Included software
  • image data converter sr ver.2.0
  • image data lightbox sr ver.1.0
  • picture motion browser ver.2.1.02 (windows only).
  • remote camera control ver.1.0 (all windows & macintosh)
  • cd-rom s-sw74/75
Os compatibility
  • windows 2000pro/xp/vista; mac os x (v 10.1.3+)
  • macos 10.2 or later
  • windows xp/vista
Miscellaneous
Notes and featuresSuper SteadyShot® Image Stabilization; Anti-Dust Technology; Bionz™ Image Processor; Eye-Start® Autofocus SystemSensor-shift image stabilization, new 77-segment metering system, Distortion and Lateral Chromatic Aberrations correction



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