• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K20D
  • Samsung NX3000
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D
 
Successor: Pentax K-7
K20D vs K-7
Samsung NX3300
NX3000 vs NX3300
General
Model Number: K20D NX3000
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $799.95 $529.00
Street Price:   $949.95
Date Available: 2008-04-30 2014-06-15
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
13.6 oz (385 g)
includes batteries, kit lens
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
4.6 x 2.6 x 1.5 in.
(117 x 66 x 39 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Samsung
Effective Megapixels: 14.6 20.3
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 5.05 microns 4.29 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65  
DxO Color Depth Score (bits): 22.9  
DxO Dynamic Range Score (evs): 11.1  
DxO Maximum Effective ISO Score (iso): 639  
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)
5472 x 3648 (20.0 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3712 x 2088 (7.8 MP, 16:9),
2640 x 2640 (7.0 MP, 1:1),
2976 x 1984 (5.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1728 x 1152 (2.0 MP, 3:2),
1024 x 1024 (1.0 MP, 1:1)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, .SRW 12-bit RAW , RAW+JPEG
Continuous-mode frames/second: 2.8 5.2
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p/​25p)
1280x720 (30p/​25p)
640x480 (30p/​25p)
320x240 (30p/​25p)
640x480 (120p)
320x240 (120p)
Movie File Format:   MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
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) Samsung NX
Lens: n/a Samsung 16-50mm f/3.5-5.6 Power Zoom ED OIS NX
Focal Length (35mm equivalent):   24 - 75mm
Focal Length (actual):   16 - 50mm
Zoom Ratio:   3.13x
Aperture Range:   f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range:   24 cm to Infinity
9.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 43.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 2x i-Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection: 1point (Free selection), Multi: Normal 21 points, Closeup 35 points; Face Detection: Max.10 faces; Object 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, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5  
Focus Peaking: No No
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): 2.7 3.0
Rear Display Resolution: 230,000 dots 460,800 dots (153,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
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 (1 or 1/3EV step)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Flash, Custom, K(Manual); Micro Adjustment each 7 steps in Amber/Blue and Green/Magenta axes
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot 221-segment Multi, 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 Scene: Panorama, Beauty Face, Best Face, Landscape, Macro, Action Freeze, Rich Tone, Waterfall, Silhouette, Sunset, Night, Fireworks, Light Trace, Continuous Shot, Kids, Food, Party/Indoor; Smart Filter: Miniature, Vignetting, Sketch, Fish Eye; Picture Wizard: Standard, Vivid, Portrait, Landscape, Forest, Retro, Cool, Calm, Classic, Custom (1-3); Smart Range+; HDR
Self Timer: 2 or 12 seconds 2-30 seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 8.0 m / 26.2 ft.
Flash Range Description: Depends on lens Bundled SEF8A flash has GN 8m at ISO 100
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 2.0 EV in 0.5EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket Hot shoe
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC microSD / microSDHC / microSDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) .SRW 12-bit RAW , RAW+JPEG
Movie File Format:   MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
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: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Wired or IR Via Wi-Fi
Connections (extended): DC input, wired remote HDMI, IEEE 802.11b/g/n
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 0.69
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.36 1.31
Buffer size for RAW shooting in single shot mode (frames): 11 5
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.34
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.8 5.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 12
RAW shooting speed in burst mode (fps):   5.2
Buffer size for RAW shooting in burst mode (frames):   4
RAW+JPEG shooting speed in burst mode (fps):   5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames):   4
Shutter lag (full AF, wide/mid): 0.17 seconds 0.30 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.090 seconds 0.107 seconds
Shutter lag (full AF, with flash): 0.24 seconds 0.43 seconds
Shutter Lag (prefocused): 0.089 seconds 0.098 seconds
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s Full Autofocus lag, Multi-area AF mode = 0.302s
Startup Time: 0.4 seconds 2.0 seconds
Play -> Record Time: 0.5 seconds 0.9 seconds
Flash cycle time, full power: 3.1 seconds 4.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   370 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary BP740
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary BP740 lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: CD-ROM S-SW74/75 iLauncher, Adobe Lightroom v5, Samsung DNG Converter
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows, Mac OS
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. Flip-up LCD, built-in Wi-Fi with NFC (Smart Camera 3.0): AutoShare, Remote Viewfinder Pro (Full manual Control), Mobile Link (Group Share up to 4 people), Photo Beam (Play back), Auto Backup, Samsung Link(TV Link, Home Monitor. Bundled with SEF8A external flash, Adobe Lightroom 5. Available in black, brown or white.