• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Pentax WG-3
  • Sony Alpha ILCE-A7R IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax WG-2
WG-2 vs WG-3
Sony A7R III
A7R III vs A7R IV
Successor:   Sony A7R V
General
Model Number: WG-3 A7R IV
Alternate Model Number(s):   ILCE-7RM4
Camera Format: Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $299.95 $3500.00
Street Price: $289.00 $3,220.13
Date Available: 2013-03-15 2019-09-01
Tripod Mount: Yes Yes
Weight: 8.1 oz (230 g)
includes batteries
23.5 oz (665 g)
includes batteries
Size: 4.9 x 2.5 x 1.3 in.
(125 x 64 x 33 mm)
5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
Waterproof: Yes No
Waterproof Depth:   n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 16.0 61.0
Sensor Format: 1/2.3 inch 35mm
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 849.66mm2 (35.70mm x 23.80mm)
Approximate Pixel Pitch: 1.34 microns 3.76 microns
Focal Length Multiplier: n/a 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   99
DxO Color Depth Score (bits):   26.0
DxO Dynamic Range Score (evs):   14.8
DxO Maximum Effective ISO Score (iso):   3,344
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
9504 x 6336 (60.2 MP, 3:2),
6240 x 4160 (26.0 MP, 3:2),
4752 x 3168 (15.1 MP, 3:2),
8448 x 6336 (53.5 MP, 4:3),
5552 x 4160 (23.1 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
9504 x 5344 (50.8 MP, 16:9),
6240 x 3512 (21.9 MP, 16:9),
4752 x 2672 (12.7 MP, 16:9),
6336 x 6336 (40.1 MP, 1:1),
4160 x 4160 (17.3 MP, 1:1),
3168 x 3168 (10.0 MP, 1:1)
Image File Format: JPEG (Exif 2.3) JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: n/a 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (30p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format: MP4 (AVC H.264 video with 32Khz 16-bit stereo PCM audio) XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Sony E
Lens: Pentax zoom lens; 9 elements in 7 groups, 4 aspherical elements n/a
Focal Length (35mm equivalent): 25 - 100mm  
Focal Length (actual): 4.5 - 18mm  
Zoom Ratio: 4.00x  
Aperture Range: f/2.0 (wide) / f/4.9 (tele) - ???  
Integrated ND Filter: No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
 
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 7.2x; Intelligent Zoom up to 28.8x total at VGA Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 9 point AF, Spot AF, Auto Tracking AF, Macro, 1cm Macro, Infinity Landscape, Pan Focus, Manual Focus Fast Hybrid 4D AF: 567 points (PDAF), APS-C mode with full-frame lens: 325 points (PDAF), with APS-C lens: 247 points (PDAF) / 425 points (contrast-detection AF); Wide (567 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type:   EVF: 1.3 cm (0.5 type) 5.76M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent):   0.78x
Viewfinder Magnification (nominal/claimed):   0.78x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   32000
Minimum ISO (native):   100
ISO Settings: Auto (125-6400, adjustable), 125, 200, 400, 800, 1600, 3200, 6400 AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten Light, Fluorescent Light (D: Daylight Color, N: Daylight White, W: White Light), Manual Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/4000 - 4 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: HDR, Night Scene, Handheld Night Snap (ISO 125-1600), Movie, Underwater, Underwater Movie, Digital Microscope (2M), Landscape, Flower, Portrait, Interval Shot, Interval Movie, High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Time-Lapse Movie, 1CM Macro Movie, Digital SR, Surf & Snow, Kids, Pet, Sport, Fireworks, Night Scene Portrait, Food, Digital Wide (5M), Digital Panorama (2M per frame), Report (1280x960, ISO 125-1600), Green (ISO 125-1600) 3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2 or 10 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No 240.8 megapixels
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 34 ft (wide, auto ISO), 14 ft (tele, auto ISO) n/a
Max Flash Sync:   1/250
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a Enhanced Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-II
Other Memory:   Dual SD UHS-II slots
Dual Card Slots: No Yes
RAW Capture Support: No Yes
Uncompressed Format:   RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MP4 (AVC H.264 video with 32Khz 16-bit stereo PCM audio) XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: 70.0 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Optional via RM-VPR1, USB, Wi-Fi or Bluetooth
Connections (extended): Micro HDMI (Type D) USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   70
RAW shooting speed in burst mode (fps):   7.2
Buffer size for RAW shooting in burst mode (frames):   32
RAW+JPEG shooting speed in burst mode (fps):   7.2
Buffer Size for RAW+JPEG shooting in burst mode (frames):   32
Shutter lag (full AF, wide/mid):   0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.124 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.022 seconds
Shutter Lag (notes):    
Startup Time:   1.3 seconds
Play -> Record Time:   1.5 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 240 shots 670 shots
Battery Life, Still (CIPA Rating OVF/EVF):   530 shots
Battery Life, Video:   105 minutes
Battery Form Factor: Proprietary D-LI92 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 Lithium-ion rechargeable 1 x Proprietary NP-FZ100 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Software CD ROM Capture One Express (for Sony) free download
OS Compatibility: Windows XP(SP3)/Vista/7/8, Mac OS X 10.4+  
Miscellaneous
Notes & Features: Dual Sensor-shift & Pixel Track Shake Reduction, f/2.0 4x lens, Full HD 1080p Movies, Waterproof (45.9'), Shockproof (6.5'), Crushproof (220 LBF), Coldproof (14 degrees F), Dustproof (JIS 6). Available in black or orange.