Nikon D7100 vs Pentax K-S1

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      Specifications

      General Nikon D7100 Pentax K-S1
      BrandNikonPentax
      ModelD7100K-S1
      Predecessor ModelNikon D7000
      Successor ModelNikon D7200 Pentax K-S2
      MSRPBody only: $1199.95/£1099.99/€1179, With 18-105mm F3.5-5.6 VR lens : $1,599/£1,299/€1399$749 / £549 (body only), $799 / £599 (with 18-55mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRDSLR
      Video Capture
      Sensor Nikon D7100 Pentax K-S1
      Sensor TypeCMOSCMOS
      Sensor FormatDX
      Sensor SizeAPS-CAPS-C
      Sensor Dimensions23.5 x 15.6 mm23.5 x 15.6 mm
      Total Pixels24.71 Megapixel20.42 Megapixel
      Effective Pixels24.1 Megapixel20.12 Megapixel
      Low Pass Filter
      Native ISO Range100 - 6,400100 - 51,200
      Boosted ISO Range100 - 25,600
      Photo Nikon D7100 Pentax K-S1
      ProcessorPRIME MII
      Max Image Resolution6000 x 40005472 x 3648
      Other Resolutions6000 x 3368, 4800 x 3200, 4800 x 2696, 4494 x 3000, 4496 x 2528, 3600 x 2400, 3600 x 2024, 2992 x 2000, 2992 x 1680, 2400 x 1600, 2400 x 13444224 x 2816, 3456 x 2304, 3072 x 2448, 1920 x 1080
      Image Aspect Ratios3:2, 16:93:2
      Image File FormatJPEG, RAW
      JPEG Quality LevelsGood, Better, Best
      Bit Depth14-Bit12-Bit
      Timelapse Recording
      WB Bracketing2 to 5 frames in steps of 1, 2 or 3
      Active D-LightingCan be selected from:
      Auto
      Extra High
      High
      Normal
      Low
      Off
      Active D-Lighting Bracketing2 frames using selected value for one frame or 3 frames using preset values for all frames
      Focus Nikon D7100 Pentax K-S1
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View      		Multi-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Focus Lock AF Area Mode, Manual Focus, Single-Servo AFAutomatic, Continuous-Servo AF, Single-Servo AF
      AF Detection Range-2 to +19 EV
      Number of Focus Points5111
      Number of Cross-type Focus Points15
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Focusing ScreenType B BriteView Clear Matte Mark II screen
      Optics Nikon D7100 Pentax K-S1
      Lens MountNikon FPentax KAF2
      Crop Factor1.5x1.5x
      Image StabilizationSensor Shift
      Digital Image Stabilization
      Reflex MirrorQuick-return type
      Screen Nikon D7100 Pentax K-S1
      Screen TypeFixedFixed
      Screen TechnologyWide Viewing Angle TFT-LCDTFT-LCD
      Touch Screen
      Screen Size3.2"3.0"
      Screen Resolution1,229k dot921k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon D7100 Pentax K-S1
      ViewfinderOptical (pentaprism)Optical (pentaprism)
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.94x0.95x
      Viewfinder Magnification (35mm equivalent)0.63x0.63x
      Viewfinder Eyepoint19.5 mm
      Diopter Adjustment-2 to +1-2.5 to +1.5
      Shutter Nikon D7100 Pentax K-S1
      Shutter TypeElectronically controlled vertical-travel focal-plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/6000 sec
      Max Continuous Shooting6.0 fps5.4 fps
      Mirror Lock Up
      Flash Nikon D7100 Pentax K-S1
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Red-eye
      Slow sync
      Rear curtain      		Auto
      auto + redeye
      on
      on + redeye reduction
      slow sync
      trailing curtain sync
      manual
      Flash Range12.00 m at ISO 10010.00 m at ISO 100
      Max Flash Sync Speed1/250 sec
      Flash Compensation-3 to +1 EV (1/3, 1/2 EV Steps)
      Flash Bracketing2 to 5 frames in steps of 1/3, 1/2, 2/3, 1, 2 or 3 EV
      External Flash Connectivity
      External Flash SystemTTL: i-TTL flash control using 2,016-pixel RGB sensor is available with built-in flash and SB-910, SB-900, SB-800, SB-700, SB-600, or SB-400; i-TTL balanced fill-flash for digital SLR is used with matrix and center-weighted metering, standard i-TTL flash for digital SLR with spot metering
      External Flash ConnectionHot ShoeHot Shoe
      Exposure Nikon D7100 Pentax K-S1
      Exposure Metering ModesMulti
      Center-weighted
      Average
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter Priority
      Metering Range0 to +20 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV increments)±5 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing (2, 3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments) ±3 EV (3 shots at 1/3 EV, 1/2 EV increments)
      Exposure LockLuminosity locked at detected value with AE-L/AF-L button
      DXO Nikon D7100 Pentax K-S1
      DxO Low Light ISO12561061
      DxO Color Depth24.223.5
      DxO Dynamic Range13.713.0
      DxO Overall Score8378
      Video Nikon D7100 Pentax K-S1
      Movie File FormatMOV
      Interval Recording
      Video FormatsMPEG-4, H.264H.264
      Max Video Resolution1920 x 10801920 x 1080
      Unlimited Video Recording
      Recording Limit25 min
      Terminals Nikon D7100 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 Nikon D7100 Pentax K-S1
      Built-in GPS
      Built-In Wi-Fi Optional Eye-Fi connection possible
      Built-In Bluetooth
      Remote Control Optional, wired MC-DC2 or wireless WR-1 and WR-R10 via optional wireless remote
      Environmental Nikon D7100 Pentax K-S1
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C
      Operating Humidity0 to 85%
      Physical Nikon D7100 Pentax K-S1
      Dimensions136 x 107 x 76 mm (5.35 x 4.21 x 2.99")121 x 93 x 70 mm (4.76 x 3.66 x 2.76")
      Weight (inc. batteries)765 g (1.69 lb / 26.98 oz)558 g (1.23 lb / 19.68 oz)
      Box Dimensions (LxWxH)8.7 x 6.7 x 5.8"8.268 x 6.457 x 5.039"
      Package Weight4.75 lb2.5 lb
      Power and Storage Nikon D7100 Pentax K-S1
      Battery PackEN-EL15D-LI109
      Battery Life950 shots410 shots
      Internal Storage
      External StorageDual Slot: SD/SDHC/SDXC (UHS-I)Single Slot: SD/SDHC/SDXC (UHS-I)
      Other Nikon D7100 Pentax K-S1
      Self Timer 2 or 10 seconds 2 or 12 seconds
      Orientation Sensor
      Material of ConstructionMagnesium Alloy
      Illuminated Buttons
      Sensor Cleaning/Dust Reduction SystemImage sensor cleaning


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