Nikon D7100 vs Pentax WG-3 GPS

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      Specifications

      General Nikon D7100 Pentax WG-3 GPS
      BrandNikonPentax
      ModelD7100WG-3 GPS
      Predecessor ModelNikon D7000
      Successor ModelNikon D7200
      MSRPBody only: $1199.95/£1099.99/€1179, With 18-105mm F3.5-5.6 VR lens : $1,599/£1,299/€1399$349
      Camera TypeInterchangeable LensPoint & Shoot
      Body TypeDSLRStandard Compact
      Video Capture
      Sensor Nikon D7100 Pentax WG-3 GPS
      Sensor TypeCMOSBSI-CMOS
      Sensor FormatDX
      Sensor SizeAPS-C1/2.3-inch
      Sensor Dimensions23.5 x 15.6 mm6.17 x 4.55 mm
      Total Pixels24.71 Megapixel17 Megapixel
      Effective Pixels24.1 Megapixel16 Megapixel
      Low Pass Filter
      Native ISO Range100 - 6,400125 - 6,400
      Boosted ISO Range100 - 25,600
      Photo Nikon D7100 Pentax WG-3 GPS
      Max Image Resolution6000 x 40004608 x 3456
      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 13444288 x 3216, 4224 x 2376, 3216 x 3216, 3072 x 2304, 3072 x 1728, 2592 x 1944, 2592 x 1464, 2048 x 1536, 1920 x 1080, 1024 x 768, 640 x 480
      Image Aspect Ratios3:2, 16:91:1, 4:3, 16:9
      Image File FormatJPEG, RAW
      JPEG Quality LevelsBest, Better, Good
      Bit Depth14-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 WG-3 GPS
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View      		Multi-area
      Tracking
      Single
      Face Detection
      Lens ServoContinuous-Servo AF, Focus Lock AF Area Mode, Manual Focus, Single-Servo AF
      AF Detection Range-2 to +19 EV
      Number of Focus Points519
      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 WG-3 GPS
      Lens MountNikon F
      Crop Factor1.5x
      35mm Equivalent Focal Length Range25 - 100 mm
      Optical Zoom4x
      Maximum Aperturef/2.0 - 4.9
      Min Normal Focus Distance50 cm
      Min Macro Focus Distance1 cm
      Image Stabilization
      Digital Image Stabilization
      Reflex MirrorQuick-return type
      Screen Nikon D7100 Pentax WG-3 GPS
      Screen TypeFixedFixed
      Screen TechnologyWide Viewing Angle TFT-LCDWidescreen TFT color LCD with anti-reflective coating
      Touch Screen
      Screen Size3.2"3.0"
      Screen Resolution1,229k dot460k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon D7100 Pentax WG-3 GPS
      ViewfinderOptical (pentaprism)
      Viewfinder Coverage100%
      Viewfinder Magnification0.94x
      Viewfinder Magnification (35mm equivalent)0.63x
      Viewfinder Eyepoint19.5 mm
      Diopter Adjustment-2 to +1
      Shutter Nikon D7100 Pentax WG-3 GPS
      Shutter TypeElectronically controlled vertical-travel focal-plane
      Min Shutter Speed30 sec4 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/4000 sec
      Max Continuous Shooting6.0 fps
      Mirror Lock Up
      Flash Nikon D7100 Pentax WG-3 GPS
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Red-eye
      Slow sync
      Rear curtain      		Auto
      On
      Off
      Red-eye
      Soft
      Flash Range12.00 m at ISO 1003.40 m
      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 Shoe
      Exposure Nikon D7100 Pentax WG-3 GPS
      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)
      Exposure Bracketing (2, 3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments)
      Exposure LockLuminosity locked at detected value with AE-L/AF-L button
      DXO Nikon D7100 Pentax WG-3 GPS
      DxO Low Light ISO1256
      DxO Color Depth24.2
      DxO Dynamic Range13.7
      DxO Overall Score83
      Video Nikon D7100 Pentax WG-3 GPS
      Movie File FormatMOV
      Interval Recording
      Video FormatsMPEG-4, H.264MPEG-4, H.264
      Max Video Resolution1920 x 10801920 x 1080
      Unlimited Video Recording
      Terminals Nikon D7100 Pentax WG-3 GPS
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Mini Type C Micro, Type D
      SpeakerMono
      Built-in MicrophoneStereoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Nikon D7100 Pentax WG-3 GPS
      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
      Environmental Nikon D7100 Pentax WG-3 GPS
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C
      Operating Humidity0 to 85%
      Physical Nikon D7100 Pentax WG-3 GPS
      Dimensions136 x 107 x 76 mm (5.35 x 4.21 x 2.99")125 x 64 x 33 mm (4.92 x 2.52 x 1.3")
      Weight (inc. batteries)765 g (1.69 lb / 26.98 oz)238 g (0.52 lb / 8.40 oz)
      Box Dimensions (LxWxH)8.7 x 6.7 x 5.8"
      Package Weight4.75 lb
      Power and Storage Nikon D7100 Pentax WG-3 GPS
      Battery PackEN-EL15D-LI92
      Battery Life950 shots240 shots
      Internal Storage70 MB
      External StorageDual Slot: SD/SDHC/SDXC (UHS-I)Single Slot: SD/SDHC/SDXC
      Other Nikon D7100 Pentax WG-3 GPS
      Self Timer 2 or 10 secondsYes (2 or 10 sec)
      Orientation Sensor
      Material of ConstructionMagnesium Alloy
      Sensor Cleaning/Dust Reduction SystemImage sensor cleaning


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