• 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 Rebel T6i (EOS 750D)
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon T5i
T5i vs T6i
Successor: Pentax K-3 II
K-3 vs K-3 II
Canon T7i
T6i vs T7i
General
Model Number: K-3 T6i
Alternate Model Number(s):   750D
Camera Format: Pro SLR SLR
Currently Manufactured: No Yes
Retail Price: $1149.95 $899.99
Street Price: $699.00 $599.00
Date Available: 2013-11-01 2015-04-30
Tripod Mount: Yes Yes
Weight: 43.7 oz (1,240 g)
includes batteries, kit lens
27.4 oz (776 g)
includes batteries, kit lens
Size: 5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm)
5.2 x 4.0 x 3.1 in.
(132 x 101 x 78 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 71
DxO Color Depth Score (bits): 23.7 22.7
DxO Dynamic Range Score (evs): 13.4 12.0
DxO Maximum Effective ISO Score (iso): 1,216 919
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),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1680 (5.0 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
720 x 408 (0.3 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),
1696 x 1280 (2.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1280 x 1280 (1.6 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 RAW (14-bit), RAW+L/F JPEG
Continuous-mode frames/second: 7.1 4.8
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 MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) Canon EF/EF-S
Lens: smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR Canon EF-S 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 3.06x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/3.5 - 22 (wide) / f/5.6 - 38 (tele)
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) OVF: Phase-detect using 19-point all cross-type AF sensor; Live View uses Hybrid CMOS AF III hybrid phase-detect/contrast-detect AF on image sensor
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter SLR type; fixed eye-level pentamirror, ~95% coverage, ~0.82x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.51x
Viewfinder Magnification (nominal/claimed): 0.95x 0.82x
Display
Eye-level Viewfinder: Yes Yes
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 (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
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(100-6400), 100-12800 in 1EV 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, 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 +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot 7,560 pixel RGB+IR sensor divided into 63 segments; Evaluative (linked to all AF points), Center-weighted, Partial (6%), Spot (3.5%)
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. Scene Intelligent Auto (Stills and Movie), No Flash, Creative Auto, Portrait, Landscape, Close-up, Sports, SCN (Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control mode)
Self Timer: 2 or 12 seconds 10, 2, Remote, 10s Continuous (2-10) seconds
Time Lapse (intervalometer): Yes No
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. E-TTL II Auto, Manual; Red-Eye Reduction; Second Curtain Synchro
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Depends on lens Lens aperture dependent
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 Full TTL exposure
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 RAW (14-bit), RAW+L/F JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
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 Optional wired, IR wireless or Wi-Fi
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-CEC, External 3.5mm Stereo Mic Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.79 <0.3
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 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 4.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): 75 Unlimited
RAW shooting speed in burst mode (fps): 7.1 4.8
Buffer size for RAW shooting in burst mode (frames): 24 6
RAW+JPEG shooting speed in burst mode (fps): 7.1 4.9
Buffer Size for RAW+JPEG shooting in burst mode (frames): 25 6
Shutter lag (full AF, wide/mid): 0.14 seconds 0.09 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 0.114 seconds
Shutter Lag (manual focus): 0.097 seconds 0.097 seconds
Shutter lag (full AF, with flash): 0.33 seconds 0.35 seconds
Shutter Lag (prefocused): 0.096 seconds 0.073 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 0.9 seconds
Play -> Record Time: 0.6 seconds 0.1 seconds
Flash cycle time, full power: 2.3 seconds 3.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   180 shots
Battery Life, Still (CIPA Rating OVF/EVF): 560 shots 440 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary LP-E17
Usable Battery Types: Lithium-ion rechargeable 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
OS Compatibility:    
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. New 24.2MP APS-C CMOS image sensor, DIGIC 6 processor, 19-point all cross-type AF for OVF, Hybrid CMOS III AF for Live View, built-in Wi-Fi with active NFC.