• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-3
  • Ricoh WG-4
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax K-3 II
K-3 vs K-3 II
 
General
Model Number: K-3 WG-4
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $1149.95 $329.95
Street Price: $699.00  
Date Available: 2013-11-01 2014-03-15
Tripod Mount: Yes Yes
Weight: 43.7 oz (1,240 g)
includes batteries, kit lens
8.1 oz (230 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm)
4.9 x 2.5 x 1.3 in.
(125 x 64 x 33 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 24.4 16.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 3.91 microns 1.34 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 80  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 13.4  
DxO Maximum Effective ISO Score (iso): 1,216  
Image Capture
Image Resolution: 6016 x 4000 (24.1 MP, 3:2),
4608 x 3072 (14.2 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
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)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: 7.1 1.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1920x1080 (30p)
1280x720 (60p/​30p)
640x360 (120p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MP4 (AVC H.264 video with 32KHz 16-bit stereo PCM audio)
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR Ricoh zoom lens; 9 elements in 7 groups, 4 aspherical elements, protective cover with SP coating
Focal Length (35mm equivalent): 27 - 203mm 25 - 100mm
Focal Length (actual): 18 - 135mm 4.5 - 18mm
Zoom Ratio: 7.50x 4.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/2.0 (wide) / f/4.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:   1 - 30 cm
0.4 - 11.8 in
Filter Thread: 62.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   Up to 7.2x; Intelligent Zoom up to 28.8x total at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) Contrast Detection: 9 point AF, Spot AF, Auto Tracking AF, Macro, 1cm Macro, Infinity Landscape, Pan Focus, Manual Focus
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter  
Focus Peaking: Yes No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x  
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 51200 6400
Minimum ISO (native): 100 125
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto (125-6400, adjustable), 125, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings) Auto, Daylight, Shade, Tungsten Light, Fluorescent Light (D: Daylight Color, N: Daylight White, W: White Light), Manual
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes Yes
Full Manual Exposure: Yes No
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. USER, 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)
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash. Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens 34 ft (wide, auto ISO), 14 ft (tele, auto ISO)
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps  
External Flash Connection: Hot Shoe, PC Sync socket n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes No
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG  
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MP4 (AVC H.264 video with 32KHz 16-bit stereo PCM audio)
Included Memory: No memory included 70.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: Yes No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Optional IR
Connections (extended): Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack Micro HDMI (Type D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.79  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.64  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.69  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 1.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 75 Unlimited
RAW shooting speed in burst mode (fps): 7.1  
Buffer size for RAW shooting in burst mode (frames): 24  
RAW+JPEG shooting speed in burst mode (fps): 7.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 25  
Shutter lag (full AF, wide/mid): 0.14 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.01 seconds  
Shutter lag (prefocused, live view - DSLR): 0.226 seconds  
Shutter Lag (manual focus): 0.097 seconds  
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.096 seconds  
Shutter Lag (notes): Full AF lag, Wide-area mode, OVF = 0.157s Live View: Center mode AF lag = 1.014s Wide-area mode AF lag = 1.005s Prefocused = 0.226s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.6 seconds  
Flash cycle time, full power: 2.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   240 shots
Battery Life, Still (CIPA Rating OVF/EVF): 560 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary D-LI92
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary D-LI92 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software CD-ROM S-SW140 Software CD ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port. Waterproof (45.9'), Shockproof (6.5'), Crushproof (220 LBF), Coldproof (14F), Dustproof (JIS 6); Available in silver or lime.