• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 35mm 860.4mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax K-3
  • Nikon Df
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax K-3 II
K-3 vs K-3 II 		 
General
Model Number: K-3 Df
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: No Yes
Retail Price: $1149.95 $2999.95
Street Price: $699.00 $2,746.95
Date Available: 2013-11-01 2013-11-30
Tripod Mount: Yes Yes
Weight: 43.7 oz (1,240 g)
includes batteries, kit lens 		34.7 oz (983 g)
includes batteries, kit lens
Size: 5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm) 		5.6 x 4.3 x 2.6 in.
(144 x 110 x 67 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 24.4 16.2
Sensor Format: APS-C 35mm
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 860.4mm2 (36.00mm x 23.90mm)
Approximate Pixel Pitch: 3.91 microns 7.31 microns
Focal Length Multiplier: 1.5x 1.0x
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 No
DxO Sensor Score: 80 89
DxO Color Depth Score (bits): 23.7 24.6
DxO Dynamic Range Score (evs): 13.4 13.1
DxO Maximum Effective ISO Score (iso): 1,216 3,279
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) 		4928 x 3280 (16.2 MP, 3:2),
3696 x 2456 (9.1 MP, 3:2),
2464 x 1640 (4.0 MP, 3:2),
3200 x 2128 (6.8 MP, 3:2),
2400 x 1592 (3.8 MP, Other),
1600 x 1064 (1.7 MP, 3:2)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG, NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; RAW+JPEG; TIFF (RGB)
Continuous-mode frames/second: 7.1 5.4
Video Capture
Can take movies: Yes No
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record  
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) Nikon F
Lens: smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR AF-S NIKKOR 50mm f/1.8G Special Edition
Focal Length (35mm equivalent): 27 - 203mm 50mm
Focal Length (actual): 18 - 135mm 50mm
Zoom Ratio: 7.50x 1.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) f/1.8 - f/16; 7 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		45 cm to Infinity
17.7 in to Infinity
Macro Focus Range:    
Filter Thread: 62.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values:   n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center) 39-point (9 cross type) TTL phase detection with 3D focus tracking via Nikon Multi-CAM 4800FX; Contrast-detect AF in Live View modes
Auto Focus Assist Light? Yes No
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; eye-level pentaprism, fixed Type B BriteView Clear Matte Mark VIII focusing screen, 100% coverage, 0.7x magnification, 15mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.70x
Viewfinder Magnification (nominal/claimed): 0.95x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: Yes Yes
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 - 12,800, plus down to 50 in Lo-1, up to 204,800 in Hi-4
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 (2 types), Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset manual (up to 4), Color temperature (2500-10000K), all with fine-tuning
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 2016-pixel 3D Color Matrix Metering III, Center-weighted (75% given to 8, 12, 15 or 20mm circle), Spot (4mm) centered on selected focus area
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. Built-in HDR mode
Self Timer: 2 or 12 seconds 2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
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. Front curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, Auto FP High-Speed Sync supported
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket ISO 518 Hot Shoe (safety lock provided), PC Sync terminal
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; RAW+JPEG; TIFF (RGB)
Movie File Format: MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record  
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: Yes No
Headphone Jack: Yes No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Optional cable release, wired, wireless
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 Type-C Mini HDMI, Accessory Terminal
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.79 0.54
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.64 0.54
Buffer size for RAW shooting in single shot mode (frames): Unlimited Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.69 0.53
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 5.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 75 Unlimited
RAW shooting speed in burst mode (fps): 7.1 5.4
Buffer size for RAW shooting in burst mode (frames): 24 29
RAW+JPEG shooting speed in burst mode (fps): 7.1 5.4
Buffer Size for RAW+JPEG shooting in burst mode (frames): 25 22
Shutter lag (full AF, wide/mid): 0.14 seconds 0.27 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.01 seconds 1.39 seconds
Shutter lag (prefocused, live view - DSLR): 0.226 seconds 0.233 seconds
Shutter Lag (manual focus): 0.097 seconds 0.079 seconds
Shutter lag (full AF, with flash): 0.33 seconds  
Shutter Lag (prefocused): 0.096 seconds 0.054 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 Full AF lag, wide-area mode, OVF = 0.493s Full AF lag, Live View = 1.388s Prefocused, Live View = 0.233s
Startup Time: 0.9 seconds 0.6 seconds
Play -> Record Time: 0.6 seconds 0.3 seconds
Flash cycle time, full power: 2.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 560 shots 1400 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary EN-EL14a
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary EN-EL14a Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No No
Software
Included Software: Software CD-ROM S-SW140 Nikon ViewNX 2 CD-ROM
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. Available in two-tone silver and black, or black.