• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K20D
  • Nikon D3400
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D
Nikon D3300
D3300 vs D3400
Successor: Pentax K-7
K20D vs K-7
Nikon D3500
D3400 vs D3500
General
Model Number: K20D D3400
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: No Yes
Retail Price: $799.95 $649.95
Street Price:   $496.95
Date Available: 2008-04-30 2016-09-01
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
22.8 oz (645 g)
includes batteries, kit lens
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
4.9 x 3.9 x 3.0 in.
(124 x 98 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 14.6 24.2
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 5.05 microns 3.92 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65 86
DxO Color Depth Score (bits): 22.9 24.8
DxO Dynamic Range Score (evs): 11.1 13.9
DxO Maximum Effective ISO Score (iso): 639 1,192
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3872 x 2592 (10.0 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2)
6000 x 4000 (24.0 MP, 3:2),
4496 x 3000 (13.5 MP, 3:2),
2992 x 2000 (6.0 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG (EXIF 2.3), RAW (12-bit .NEF), RAW+JPEG
Continuous-mode frames/second: 2.8 5.1
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Monaural Linear PCM)
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) Nikon F
Lens: n/a Nikkor AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR
Focal Length (35mm equivalent):   27 - 83mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.06x
Aperture Range:   f/3.5 - 22 (W), f/5.6 - 38 (T); 7 diaphragm blades
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:   56 - 38 cm
22.0 - 15.0 in
Filter Thread: n/a 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) OVF: Nikon Multi-CAM 1000 11-Area Phase Detection, 1 cross-type, 10 line-type; Contrast-detect AF in Live View mode
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 SLR type; eye-level pentamirror, 95% coverage, 0.85x mag., 18mm eyepoint, -1.7 to +0.5 diopter, Type B BriteView Clear Matte Mark VII screen
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.57x
Viewfinder Magnification (nominal/claimed): 0.95x 0.85x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 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: 32.0x  
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
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual; all except Preset Manual with fine tuning
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot 420-segment 3D Color Matrix Metering II, Color Matrix Metering II, Center-weighted, Spot (3.5mm/2.5%)
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 Scene Modes: Portrait, Landscape, Child, Sports, Close up, Night portrait; Special Effects: Night Vision, Super Vivid, Pop, Photo Illustration, Toy Camera, Miniature, Selective Color, Silhouette, High Key, Low Key
Self Timer: 2 or 12 seconds 2s, 5s, 10s, 20s; 1 to 9 exposures seconds
Time Lapse (intervalometer):   No
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, auto with red-eye reduction, auto slow sync, auto slow sync with redeye reduction, fill-flash, red-eye reduction, slow sync, slow sync with red-eye reduction, rear-curtain with slow sync, rear-curtain sync, off; Advanced Wireless Lighting supported with SB-910, SB-900, SB-800 as master
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 7.0 m / 23.0 ft.
Flash Range Description: Depends on lens Lens aperture dependent; Approx. 22/7, 26/8 with manual flash (ft/m, ISO 100, 68F/20C)
Max Flash Sync: 1/180 1/200
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket ISO 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) RAW (12-bit .NEF), RAW+JPEG
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Monaural Linear PCM)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
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
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional ML-L3 infrared remote
Connections (extended): DC input, wired remote Type-C Mini HDMI with CEC, USB 2.0
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): 0.36  
Buffer size for RAW shooting in single shot mode (frames): 11  
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): 2.8 5.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 100
RAW shooting speed in burst mode (fps):   5.1
Buffer size for RAW shooting in burst mode (frames):   12
RAW+JPEG shooting speed in burst mode (fps):   5.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid): 0.17 seconds 0.20 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.64 seconds
Shutter lag (prefocused, live view - DSLR):   0.280 seconds
Shutter Lag (manual focus): 0.090 seconds 0.104 seconds
Shutter lag (full AF, with flash): 0.24 seconds 0.22 seconds
Shutter Lag (prefocused): 0.089 seconds 0.080 seconds
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s  
Startup Time: 0.4 seconds 0.5 seconds
Play -> Record Time: 0.5 seconds 0.3 seconds
Flash cycle time, full power: 3.1 seconds 2.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 1200 shots
Battery Life, Video:   60 minutes
Battery Form Factor: Proprietary D-LI50 Proprietary EN-EL14a
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 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 Yes
Internal Charging Supported: No No
Software
Included Software: CD-ROM S-SW74/75 ViewNX-i, ViewNX-Movie Editor, Capture NX-D, Nikon Transfer 2, Picture Control Utility 2 downloads
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows 7/8/10, Mac OS X 10.9.5-10.11.5
Miscellaneous
Notes & Features: PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. Available in black or red.