• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 16.0 megapixels
  •  
  • Detailed specifications
  • Pentax K-7
  • Panasonic Lumix DMC-G3
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K20D
K20D vs K-7
Panasonic G2
G2 vs G3
Successor: Pentax K-5
K-7 vs K-5
Panasonic G5
G3 vs G5
General
Model Number: K-7 G3
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1299.95 $699.99
Street Price:    
Date Available: 2009-07-15 2011-06-21
Tripod Mount: Yes Yes
Weight: 26.7 oz (758 g)
includes batteries
20.6 oz (583 g)
includes batteries, kit lens
Size: 5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
4.5 x 3.3 x 1.8 in.
(115 x 84 x 47 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer:   Panasonic
Effective Megapixels: 14.6 16.0
Sensor Format: APS-C 4/3
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 5.07 microns 3.77 microns
Focal Length Multiplier: 1.5x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 61 56
DxO Color Depth Score (bits): 22.6 21.0
DxO Dynamic Range Score (evs): 10.6 10.6
DxO Maximum Effective ISO Score (iso): 536 667
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)
4592 x 3448 (15.8 MP, 4:3),
4576 x 3056 (14.0 MP, 3:2),
4576 x 2576 (11.8 MP, 16:9),
3424 x 3424 (11.7 MP, 1:1),
3232 x 2424 (7.8 MP, 4:3),
3232 x 2160 (7.0 MP, 3:2),
3232 x 1824 (5.9 MP, Other),
2416 x 2416 (5.8 MP, 1:1),
2272 x 1704 (3.9 MP, 4:3),
2272 x 1520 (3.5 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1712 x 1712 (2.9 MP, 1:1),
1824 x 1368 (2.5 MP, 4:3),
1824 x 1216 (2.2 MP, 3:2),
1824 x 1024 (1.9 MP, 16:9)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, RAW, RAW + JPEG
Continuous-mode frames/second: 5.2 3.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1536x1024 (30)
640x416 (30)
1920x1080 (60i/​50i)
1280x720 (60/​50/​30)
640x480 (30)
320x240 (30)
Movie File Format: AVI (Motion JPEG) AVCHD (H.264), MotionJPEG
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Micro Four Thirds
Lens: n/a Panasonic 14-42mm f/3.5-5.6 ASPH Lumix G VARIO MEGA O.I.S
Focal Length (35mm equivalent):   28 - 84mm
Focal Length (actual):   14 - 42mm
Zoom Ratio:   3.00x
Aperture Range:   f/3.5 - 22 (wide) / f.5.6 - 22 (tele)
Integrated ND Filter: No No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a 2x or 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint Touch (1- area-focusing in Face detection, AF Tracking, Multi-area-focusing, 1-area-focusing, Pinpoint)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter EVF; 1,440K dots eq., 1.4x mag., 17.5mm eyepoint, -4 to +4 diopter, eye sensor
Focus Peaking: No No
EVF Resolution: n/a  
Viewfinder Magnification (35mm equivalent): 0.61x 0.70x
Viewfinder Magnification (nominal/claimed): 0.92x 1.40x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots 460,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 32.0x 16.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, 160-6400 Intelligent ISO
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Cloudy, Shade, Halogen, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot 144-zone Intelligent Multiple, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority, USER, Movie Portrait, Soft Skin, Scenery, Architecture, Sports, Peripheral Defocus, Flower, Food, Objects,,Night Portrait, Night Scenery, Illiminatioms, Baby 1, 2, Pet, Party, Sunset
Self Timer: 2 or 12 seconds 2, 10, 10 (3 images) seconds
Time Lapse (intervalometer): 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, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 8.3 m / 27.2 ft.
Flash Range Description: Depends on lens Lens dependent
Max Flash Sync: 1/180 1/160
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket Hot Shoe
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 Yes
Uncompressed Format: RAW (.PEF, .DNG) RAW, RAW + JPEG
Movie File Format: AVI (Motion JPEG) AVCHD (H.264), MotionJPEG
Included Memory: No memory included No memory included
Included Memory Type:    
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 Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional DMW-RSL1 cable remote
Connections (extended): DC input, wired remote, external stereo mic jack Mini HDMI (Type-C), 2.5mm remote socket, combined AV/USB connector
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.66
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 0.67
Buffer size for RAW shooting in single shot mode (frames): 13 9
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.2 3.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 7
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 0.29 seconds
Shutter lag (full AF, tele):   0.30 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.075 seconds 0.091 seconds
Shutter lag (full AF, with flash): 0.15 seconds 0.57 seconds
Shutter Lag (prefocused): 0.074 seconds 0.080 seconds
Shutter Lag (notes): Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second Full Autofocus lag: Multi-area AF mode, Wide Angle = 0.294s Quick AF mode, Wide Angle = 0.297s
Startup Time: 0.6 seconds 1.4 seconds
Play -> Record Time: 0.1 seconds 0.8 seconds
Flash cycle time, full power: 3.7 seconds 5.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   270 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary 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 PHOTOfunSTUDIO 6.2 HD Edition, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver
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. 16-megapixel Sensor, Improved High ISO IQ, Faster AF, Metal Body, 1920x1080 HD Movies, Articulating Touch-screen LCD, 2.5mm Remote Socket, Mini HDMI Type-C Connector. Available in black, brown, red or white.