• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-x
  • Canon PowerShot G7 X Mark III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K2000
K2000 vs K-x 		Canon G7X Mark II
G7X Mark II vs G7X Mark III
Successor: Pentax K-r
K-x vs K-r 		 
General
Model Number: K-x G7X Mark III
Alternate Model Number(s):   G7X III
Camera Format: SLR Compact
Currently Manufactured: No Yes
Retail Price: $649.95 $749.99
Street Price: $701.76 $1,054.41
Date Available: 2009-10-15 2019-08-05
Tripod Mount: Yes Yes
Weight: 27.9 oz (791 g)
includes batteries, kit lens 		10.7 oz (304 g)
includes batteries
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm) 		4.1 x 2.4 x 1.6 in.
(105 x 61 x 41 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 12.4 20.2
Sensor Format: APS-C 1 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 5.53 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 72  
DxO Color Depth Score (bits): 22.8  
DxO Dynamic Range Score (evs): 12.5  
DxO Maximum Effective ISO Score (iso): 811  
Image Capture
Image Resolution: 4288 x 2848 (12.2 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) 		5472 x 3648 (20.0 MP, 3:2),
3648 x 2432 (8.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
5472 x 3072 (16.8 MP, 16:9),
3648 x 2048 (7.5 MP, 16:9),
2736 x 1536 (4.2 MP, 16:9),
2400 x 1344 (3.2 MP, Other),
4864 x 3648 (17.7 MP, 4:3),
3248 x 2432 (7.9 MP, Other),
2432 x 1824 (4.4 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
3648 x 3648 (13.3 MP, 1:1),
2432 x 2432 (5.9 MP, 1:1),
1824 x 1824 (3.3 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1),
26064 x 2560 (66.7 MP, Other),
3840 x 16000 (61.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.31), RAW/C-RAW (.CR3), RAW+JPEG, C-RAW+JPEG
Continuous-mode frames/second: 4.3 20.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x416 (24) 		3840x2160 (30p/​25p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p)
1280x720 (60p/​50p)
Movie File Format:   MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo))
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax DA L 18-55mm f/3.5-5.6 AL Canon Zoom Lens
Focal Length (35mm equivalent): 27 - 84mm 24 - 100mm
Focal Length (actual): 18 - 55mm 8.8 - 36.8mm
Zoom Ratio: 3.00x 4.20x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/1.8 (W) / f2.8 (T) - f/11, with 9-blade aperture; ND Filter (3-stop) On / Auto / Off
Integrated ND Filter: No Yes
Normal Focus Range:   5 cm to Infinity
2.0 in to Infinity
Macro Focus Range:   5 - 50 cm
2.0 - 19.7 in
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot Contrast Detect AF with Face Detection: AiAF (31-point, Face Detection or Touch AF with Object and Face Select and Track), 1-point AF (any position is available or fixed center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter  
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.57x  
Viewfinder Magnification (nominal/claimed): 0.85x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 1,040,000 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 12800
Minimum ISO (native): 200 125
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 Auto (max: 400 to 12800), ISO 125-12800 in 1/3 EV steps, expandable to ISO 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom Auto (Ambience and White Priority), Daylight, Cloudy, Tungsten, White Fluorescent, Fluorescent Light, Flash, Color Temperature, Custom
Shutter Speed Range: 1/6000 - 30 sec 1/25600 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot Evaluative (linked to Face Detection AF frame), Centre-weighted average, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority Self Portrait, Portrait, Panning, Star Portrait, Star Nightscape, Star Trails, Star Time-Lapse Movie, Handheld Night Scene, High Dynamic Range, Fish-eye Effect, Art Bold Effect, Water Painting Effect, Miniature Effect, Toy Camera Effect, Background Defocus, Soft Focus, Grainy B/W, Fireworks, Standard Movie, Short Clip, Manual Movie, Time-Lapse Movie, iFrame Movie, Panoramic Shot
Self Timer: 2 or 12 seconds 2, 10, custom (0-30s, 1-10 shots) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless Auto, Flash On, Slow Synchro, Flash Off
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft. n/a
Flash Range Description: Depends on lens Auto ISO: 1.6 ft. (50 cm) - 23 ft. (7.0 m) (W), 1.3 ft. (40 cm) - 13 ft. (4.0 m) (T)
Max Flash Sync: 1/180 1/2000
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) RAW/C-RAW (.CR3), RAW+JPEG, C-RAW+JPEG
Movie File Format:   MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo))
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR Via Wi-Fi/Bluetooth
Connections (extended): AC adapter available USB-C, Micro (Type D) HDMI, 3.5mm external mic jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.43  
Buffer size for RAW shooting in single shot mode (frames): 10  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.3 20.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 125
RAW shooting speed in burst mode (fps):   30.0
Buffer size for RAW shooting in burst mode (frames):   76
RAW+JPEG shooting speed in burst mode (fps):   20.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   59
Shutter lag (full AF, wide/mid): 0.10 seconds 0.15 seconds
Shutter lag (full AF, tele):   0.16 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.082 seconds 0.165 seconds
Shutter lag (full AF, with flash): 0.23 seconds 0.25 seconds
Shutter Lag (prefocused): 0.082 seconds 0.024 seconds
Shutter Lag (notes): Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s  
Startup Time: 0.6 seconds 1.5 seconds
Play -> Record Time: 0.2 seconds 0.8 seconds
Flash cycle time, full power: 3.3 seconds 1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   235 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA)  
Battery Life, Video:    
Battery Form Factor: 4 x AA Proprietary NB-13L
Usable Battery Types: Lithium, Alkaline disposables; NiMH rechargeables Lithium-ion rechargeable
Batteries Included: 4 x AA Alkaline disposables 1 x Proprietary NB-13L Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: CD-ROM  
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+  
Miscellaneous
Notes & Features: Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced. Available in black or silver.