• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 332.3mm2
  • 24.2 megapixels
  • 24.00mm - 72.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-7
  • Canon PowerShot G1 X Mark III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K20D
K20D vs K-7
Canon G1X Mark II
G1X Mark II vs G1X Mark III
Successor: Pentax K-5
K-7 vs K-5
 
General
Model Number: K-7 G1X Mark III
Alternate Model Number(s):   G1X III
Camera Format: Pro SLR Compact
Currently Manufactured: No Yes
Retail Price: $1299.95 $1299.00
Street Price:   $999.00
Date Available: 2009-07-15 2017-11-30
Tripod Mount: Yes Yes
Weight: 26.7 oz (758 g)
includes batteries
14.1 oz (399 g)
includes batteries
Size: 5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
4.5 x 3.1 x 2.0 in.
(115 x 78 x 51 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 14.6 24.2
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 5.07 microns 3.72 microns
Focal Length Multiplier: 1.5x 1.6x
Aspect Ratio: 3:2 3:2
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 Yes
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)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1824 (5.4 MP, Other),
2400 x 1344 (3.2 MP, Other),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1),
24064 x 2800 (67.4 MP, Other),
6000 x 2800 (16.8 MP, Other),
16000 x 4200 (67.2 MP, Other),
4200 x 4000 (16.8 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG (EXIF 2.3), .CR2 14-bit RAW, RAW+JPEG
Continuous-mode frames/second: 5.2 9.3
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1536x1024 (30)
640x416 (30)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (30p/​25p)
640x480 (30p/​25p)
Movie File Format: AVI (Motion JPEG) MP4 (Video: 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: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Canon Zoom Lens; 9 elements in 8 groups with 3 double-sided aspherical elements and 1 single-sided aspherical element
Focal Length (35mm equivalent):   24 - 72mm
Focal Length (actual):   15 - 45mm
Zoom Ratio:   3.00x
Aperture Range:   f/2.8 (W) / f/5.6 (T) - f/16 with 9-blade Circular Diaphragm; ND Filter (3-stop): On / Auto / Off
Integrated ND Filter: No Yes
Normal Focus Range:   10 cm to Infinity
3.9 in to Infinity
Macro Focus Range:   10 - 50 cm
3.9 - 19.7 in
Filter Thread: n/a 37.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a 4x (with Digital Tele-Converter Approx. 1.6x or 2.0x), ZoomPlus 6x (total)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Hybrid PDAF/CDAF: Dual Pixel CMOS AF; Maximum 49 AF points (Fixed location on 7x7 grid) via camera automatic selection; Freely position 1 AF point / 1 AF Zone (9 points, 3x3 grid) via manual selection; Touch AF
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 0.39"-type 2.36m-dot OLED EVF, 100% coverage, 22mm eyepoint, -3 to +1 diopter correction, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 2,360,000 dots (786,666 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x  
Viewfinder Magnification (nominal/claimed): 0.92x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots 1,040,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 32.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 25600
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, 100 - 25600 in 1/3 or 1EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Underwater, Color Temperature, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot Evaluative, 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 Smart Auto (58 scenes detected), Hybrid Auto, Custom 1, Custom 2, SCN (Self-Portrait, Portrait, Smooth Skin, Panoramic Shot, Panning, Star (Star Nightscape, Star Trails, Star Time-Lapse Movie), Handheld Night Scene, Grainy B/W, Soft Focus, Art Bold effect, Water painting effect, Toy camera effect, Miniature effect, HDR, Underwater, Fireworks), Movie (Standard, Short Clip, Manual, Time-lapse Movie)
Self Timer: 2 or 12 seconds 10, 2 or custom 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, Manual Flash On / Off, Slow Synchro; FE Lock, Red-eye Reduction, Second Curtain Synchro; E-TTL with EX series Speedlites
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens 1.6 ft. (50cm) - 29.5 ft. (9.0m) (W), 1.6 ft. (50cm) - 14.8 ft. (4.5m) (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, PC-Sync Socket Hot Shoe
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: RAW (.PEF, .DNG) .CR2 14-bit RAW, RAW+JPEG
Movie File Format: AVI (Motion JPEG) MP4 (Video: 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 Yes
Bluetooth: No Yes
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,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Wi-Fi/Bluetooth or optional wired
Connections (extended): DC input, wired remote, external stereo mic jack Micro-B USB, Micro (Type-D) HDMI, Wired Remote Switch
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.43
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):   0.41
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.2 9.3
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 23
RAW shooting speed in burst mode (fps):   9.4
Buffer size for RAW shooting in burst mode (frames):   16
RAW+JPEG shooting speed in burst mode (fps):   9.4
Buffer Size for RAW+JPEG shooting in burst mode (frames):   16
Shutter lag (full AF, wide/mid): 0.09 seconds 0.12 seconds
Shutter lag (full AF, tele):   0.12 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.075 seconds 0.100 seconds
Shutter lag (full AF, with flash): 0.15 seconds 0.40 seconds
Shutter Lag (prefocused): 0.074 seconds 0.033 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 2.1 seconds
Play -> Record Time: 0.1 seconds 1.4 seconds
Flash cycle time, full power: 3.7 seconds 3.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   200 shots
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots 200 shots
Battery Life, Video:   85 minutes
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable NB-13L Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary NB-13L 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: CD-ROM S-SW74/75 No disc is included; Canon software can be downloaded from their website.
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.