Sony Alpha SLT-A37 vs Pentax K-S1

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      Specifications

      General Sony Alpha SLT-A37 Pentax K-S1
      BrandSonyPentax
      ModelAlpha SLT-A37K-S1
      Predecessor ModelSony Alpha SLT-A35
      Successor ModelPentax K-S2
      MSRPBody + 18-55mm lens: $599.99/ €599/£530$749 / £549 (body only), $799 / £599 (with 18-55mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeSLTDSLR
      Video Capture
      Sensor Sony Alpha SLT-A37 Pentax K-S1
      Sensor TypeCMOSCMOS
      Sensor SizeAPS-CAPS-C
      Sensor Dimensions23.5 x 15.6 mm23.5 x 15.6 mm
      Total Pixels16.5 Megapixel20.42 Megapixel
      Effective Pixels16.1 Megapixel20.12 Megapixel
      Low Pass Filter
      Native ISO Range100 - 25,600100 - 51,200
      Photo Sony Alpha SLT-A37 Pentax K-S1
      ProcessorPRIME MII
      Max Image Resolution4912 x 32645472 x 3648
      Other Resolutions4912 x 2760, 3568 x 2368, 3568 x 2000, 2448 x 1624, 2448 x 13764224 x 2816, 3456 x 2304, 3072 x 2448, 1920 x 1080
      Image Aspect Ratios3:2, 16:93:2
      JPEG Quality LevelsFine, NormalGood, Better, Best
      Bit Depth12-Bit
      Timelapse Recording
      WB Bracketing3 frames, H/L selectable
      Focus Sony Alpha SLT-A37 Pentax K-S1
      Autofocus ModesMulti-area
      Selective single-point
      Single
      Continuous
      Face Detection
      Live View      		Multi-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoSingle-Servo AF, Continuous-Servo AFAutomatic, Continuous-Servo AF, Single-Servo AF
      Number of Focus Points1511
      Number of Cross-type Focus Points3
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Optics Sony Alpha SLT-A37 Pentax K-S1
      Lens MountSony APentax KAF2
      Crop Factor1.5x1.5x
      Image StabilizationSensor ShiftSensor Shift
      Digital Image Stabilization
      Screen Sony Alpha SLT-A37 Pentax K-S1
      Screen TypeTiltingFixed
      Screen TechnologyTFT-LCD
      Touch Screen
      Screen Size2.6"3.0"
      Screen Resolution230k dot921k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha SLT-A37 Pentax K-S1
      ViewfinderElectronicOptical (pentaprism)
      Viewfinder Coverage100%100%
      Viewfinder Magnification1.09x0.95x
      Viewfinder Magnification (35mm equivalent)0.73x0.63x
      Viewfinder Resolution1,440k dot
      Diopter Adjustment-4 to +4-2.5 to +1.5
      Shutter Sony Alpha SLT-A37 Pentax K-S1
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/4000 sec1/6000 sec
      Max Continuous Shooting5.5 fps5.4 fps
      Flash Sony Alpha SLT-A37 Pentax K-S1
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Red-Eye
      Slow Sync
      High Speed Sync
      Rear Curtain
      Fill-in
      Wireless      		Auto
      auto + redeye
      on
      on + redeye reduction
      slow sync
      trailing curtain sync
      manual
      Flash Range12.00 m10.00 m at ISO 100
      Max Flash Sync Speed1/160 sec
      External Flash Connectivity
      External Flash ConnectionWirelessHot Shoe
      Exposure Sony Alpha SLT-A37 Pentax K-S1
      Exposure Metering ModesMulti
      Center-weighted
      Spot      		Multi
      Center-weighted
      Spot
      Exposure Compensation±3 EV (1/3 EV increments)±5 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing (3 shots at 1/3 EV, 2/3 EV increments) ±3 EV (3 shots at 1/3 EV, 1/2 EV increments)
      DXO Sony Alpha SLT-A37 Pentax K-S1
      DxO Low Light ISO7991061
      DxO Color Depth23.323.5
      DxO Dynamic Range12.913.0
      DxO Overall Score7578
      Video Sony Alpha SLT-A37 Pentax K-S1
      Video FormatsMPEG-4, AVCHD, H.264H.264
      Max Video Resolution1920 x 10801920 x 1080
      Unlimited Video Recording
      Recording Limit30 min25 min
      Terminals Sony Alpha SLT-A37 Pentax K-S1
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Mini Type C Micro
      SpeakerMonoMono
      Built-in MicrophoneStereoStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Sony Alpha SLT-A37 Pentax K-S1
      Built-in GPS
      Built-In Wi-Fi Eye-Fi is possible Eye-Fi connection possible
      Built-In Bluetooth
      Remote Control Optional via optional wireless remote
      Environmental Sony Alpha SLT-A37 Pentax K-S1
      Environmental Sealing
      Physical Sony Alpha SLT-A37 Pentax K-S1
      Dimensions124 x 92 x 85 mm (4.88 x 3.62 x 3.35")121 x 93 x 70 mm (4.76 x 3.66 x 2.76")
      Weight (inc. batteries)506 g (1.12 lb / 17.85 oz)558 g (1.23 lb / 19.68 oz)
      Box Dimensions (LxWxH)8.2 x 6.1 x 6.9"8.268 x 6.457 x 5.039"
      Package Weight2.5 lb
      Power and Storage Sony Alpha SLT-A37 Pentax K-S1
      Battery PackNP-FW50D-LI109
      Battery Life500 shots410 shots
      Internal Storage
      External StorageSingle Slot: SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG DuoSingle Slot: SD/SDHC/SDXC (UHS-I)
      Other Sony Alpha SLT-A37 Pentax K-S1
      Self Timer 2 or 10 sec, 10 sec 3 or 5 images 2 or 12 seconds
      Orientation Sensor
      Illuminated Buttons


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