• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax K-3
  • Canon EOS M3
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon EOS M
EOS M vs EOS M3
Successor: Pentax K-3 II
K-3 vs K-3 II
Canon EOS M6
EOS M3 vs EOS M6
General
Model Number: K-3 EOS M3
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1149.95 $799.99
Street Price: $699.00 $1,049.00
Date Available: 2013-11-01 2015-10-01
Tripod Mount: Yes Yes
Weight: 43.7 oz (1,240 g)
includes batteries, kit lens
12.9 oz (366 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm)
4.4 x 2.7 x 1.7 in.
(111 x 68 x 44 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 24.4 24.2
Sensor Format: APS-C APS-C
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 3.91 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: Optional Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 80 72
DxO Color Depth Score (bits): 23.7 22.8
DxO Dynamic Range Score (evs): 13.4 11.8
DxO Maximum Effective ISO Score (iso): 1,216 1,169
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)
6000 x 4000 (24.0 MP, 3:2),
4320 x 2880 (12.4 MP, 3:2),
2880 x 1920 (5.5 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2),
5328 x 4000 (21.3 MP, 4:3),
3840 x 2880 (11.1 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
6000 x 3376 (20.3 MP, 16:9),
4320 x 2432 (10.5 MP, 16:9),
2880 x 1616 (4.7 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
720 x 408 (0.3 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2880 x 2880 (8.3 MP, 1:1),
1920 x 1920 (3.7 MP, 1:1),
1536 x 1536 (2.4 MP, 1:1),
480 x 480 (0.2 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG, .CR2 14-bit RAW, RAW+L/F JPEG
Continuous-mode frames/second: 7.1 4.2
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
640x480 (30p/​25p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MP4 [Video: MPEG-4 AVC/H.264, Audio: MPEG-4 AAC-LC (stereo)]
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) Canon EF-M
Lens: smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR Canon EF-M 18-55mm f/3.5-5.6 IS STM
Focal Length (35mm equivalent): 27 - 203mm 29 - 88mm
Focal Length (actual): 18 - 135mm 18 - 55mm
Zoom Ratio: 7.50x 3.10x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/3.5 - f/22 (W) / f/5.6 - f/36 (T); 7-blade circular aperture
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 62.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom:
Digital Zoom Values:    
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) Hybrid CMOS AF III PDAF/CDAF on image sensor: FlexiZone - Multi (49 zones, AF at the touched Zone), Single; Face Detection + Tracking AF
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 Optional Electronic Viewfinder EVF-DC1: (0.48 type), 4:3 aspect ratio, Approx. 2,360,000 dots, 100% coverage
Focus Peaking: Yes Yes
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) 1,040,000 dots
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: Yes No
Exposure
Maximum ISO (native): 51200 12800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto (100-12800), 100-12800 in 1/3EV steps, expandable to H=25600
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, Cloudy, Twilight and Sunset, Tungsten, White Fluorescent, Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 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: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot Evaluative metering (384 zones), partial metering (center: approx. 10%), spot metering (center: approx. 2.%), center-weighted average metering
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; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3. Creative Assist (Background Blur, Brightness, Contrast, Saturation, Color Tone, Monochrome (Off/ BW/ S (Sepia)/ B (Blue)/ P (Purple) /G (Green)), SCN (Portrait, Landscape, Close-up, Sports, Handheld Night Scene, Food), Creative Filters (HDR, Fish-eye Effect, Art Bold Effect, Water Painting Effect, Miniature Effect (Stills and Movie), Toy Camera Effect, Soft Focus, Grainy B/W)
Self Timer: 2 or 12 seconds 10, 2 seconds
Time Lapse (intervalometer): 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, Manual Flash On/off, Slow Synchro; FE Lock, Red-eye Reduction
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 5.0 m / 16.4 ft.
Flash Range Description: Depends on lens GN=5 (m, ISO 100); range depends on lens aperture
Max Flash Sync: 1/180 1/200
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 / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG .CR2 14-bit RAW, RAW+L/F JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record 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 No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Wi-Fi or optional RC-6 wireless remote
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 Mini (Type C) HDMI, 3.5mm External Stereo Mic Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.79 1.11
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 1.38
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 4.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 75 Unlimited
RAW shooting speed in burst mode (fps): 7.1 4.0
Buffer size for RAW shooting in burst mode (frames): 24 4
RAW+JPEG shooting speed in burst mode (fps): 7.1 4.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 25 4
Shutter lag (full AF, wide/mid): 0.14 seconds 0.13 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 0.112 seconds
Shutter lag (full AF, with flash): 0.33 seconds 0.59 seconds
Shutter Lag (prefocused): 0.096 seconds 0.056 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 2.4 seconds
Play -> Record Time: 0.6 seconds 1.6 seconds
Flash cycle time, full power: 2.3 seconds 3.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   250 shots
Battery Life, Still (CIPA Rating OVF/EVF): 560 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable LP-E17 Lithium-ion rechargeble
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary LP-E17 Lithium-ion rechargeble
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: Software CD-ROM S-SW140 EOS Digital Solutions Disc (Digital Photo Professional, Picture Style Editor, EOS Utility, Image Transfer Utility )
OS Compatibility:   Windows 7/8/8.1, Mac OS X 10.8+
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. Comes in black or white.