• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-7
  • Ricoh WG-20
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K20D
K20D vs K-7
 
Successor: Pentax K-5
K-7 vs K-5
Ricoh WG-30
WG-20 vs WG-30
General
Model Number: K-7 WG-20
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $1299.95 $199.95
Street Price:    
Date Available: 2009-07-15 2014-03-15
Tripod Mount: Yes Yes
Weight: 26.7 oz (758 g)
includes batteries
5.8 oz (164 g)
includes batteries
Size: 5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
4.5 x 2.3 x 1.1 in.
(114 x 59 x 28 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer:    
Effective Megapixels: 14.6 14.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.07 microns 1.44 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 61  
DxO Color Depth Score (bits): 22.6  
DxO Dynamic Range Score (evs): 10.6  
DxO Maximum Effective ISO Score (iso): 536  
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
4288 x 3216 (13.8 MP, 4:3),
3216 x 3216 (10.3 MP, 1:1),
4224 x 2376 (10.0 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 2.21), RAW (.PEF, .DNG) JPEG (EXIF 2.3)
Continuous-mode frames/second: 5.2 0.7
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1536x1024 (30)
640x416 (30)
1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Ricoh zoom lens; 11 elements in 9 groups, 5 aspherical elements, protective cover with SP coating
Focal Length (35mm equivalent):   28 - 140mm
Focal Length (actual):   5 - 25mm
Zoom Ratio:   5.00x
Aperture Range:   f/3.5 - 4.2 (wide) / f/5.5 - 6.6 (tele)
Integrated ND Filter: No No
Normal Focus Range:   50 cm to Infinity
19.7 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: No Yes
Digital Zoom Values: n/a Up to 6.7x; Intelligent Zoom up to 33.5x at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection with face recognition : 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, 0.92x mag., -2.5 to 1.5 diopter  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.61x  
Viewfinder Magnification (nominal/claimed): 0.92x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 921,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x 10.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 100 80
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, Manual (80 - 6400)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Tungsten, Fluorescent , Manual
Shutter Speed Range: 1/8000 - 30 sec 1/1500 - 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: 77-segment, Center-weighted, Spot Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority, USER, Movie Night Scene, Movie, Underwater, Underwater Movie, Digital Microscope, Landscape, Flower, Portrait, Digital Wide, Digital SR, Surf & Snow, Kids, Pet, Sport, Fireworks, Candlelight, Night Scene Portrait, Text, Food, Digital Panorama, Frame Composite, Report, Green, Voice Recording
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: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless 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 13 ft (wide, auto ISO), 8.2 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 SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: RAW (.PEF, .DNG)  
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Included Memory: No memory included 97.0 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: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional IR
Connections (extended): DC input, wired remote, external stereo mic jack Micro HDMI (Type-D)
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): <0.3  
Buffer size for RAW shooting in single shot mode (frames): 13  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.2 0.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 Unlimited
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.09 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.075 seconds  
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.074 seconds  
Shutter Lag (notes): Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second  
Startup Time: 0.6 seconds  
Play -> Record Time: 0.1 seconds  
Flash cycle time, full power: 3.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   260 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 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:
Internal Charging Supported:
Software
Included Software: CD-ROM S-SW74/75 Software CD-ROM S-SW-147
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later  
Miscellaneous
Notes & Features: Sensor-shift image stabilization, new 77-segment metering system, Distortion and Lateral Chromatic Aberrations correction, High Dynamic Range (HDR) image capture mode, HD Movie capture (1280x720, 1536x1024, 640x416 all at 30 frames per second), HDMI output, magnesium alloy body. Waterproof (33'), Shockproof (4.9'), Coldproof (14F), Crushproof (220 LBF), Dustproof (JIS 6); Available in white or red.