• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Nikon D5100
  • Pentax K-50
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Nikon D5000
D5000 vs D5100
Pentax K-30
K-30 vs K-50
Successor: Nikon D5200
D5100 vs D5200
Pentax K-70
K-50 vs K-70
General
Model Number: D5100 K-50
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $899.95 $779.95
Street Price: $499.00 $306.03
Date Available: 2011-04-17 2013-07-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (829 g)
includes batteries, kit lens
31.9 oz (904 g)
includes batteries, kit lens
Size: 5.0 x 3.8 x 3.1 in.
(128 x 97 x 79 mm)
5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 16.2 16.3
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 372.09mm2 (23.70mm x 15.70mm)
Approximate Pixel Pitch: 4.79 microns 4.81 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 Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 80 79
DxO Color Depth Score (bits): 23.5 23.7
DxO Dynamic Range Score (evs): 13.6 13.0
DxO Maximum Effective ISO Score (iso): 1,183 1,120
Image Capture
Image Resolution: 4928 x 3264 (16.1 MP, Other),
3696 x 2448 (9.0 MP, Other),
2464 x 1632 (4.0 MP, Other)
4928 x 3264 (16.1 MP, Other),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2688 x 1792 (4.8 MP, 3:2)
Image File Format: JPEG (EXIF 2.3), NEF (RAW) 14-bits, RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second: 3.9 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30/​25/​24)
1280x720 (30/​25/​24)
640x424 (30/​25)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
Movie File Format: MOV H.264/MPEG-4 MOV MPEG-4 AVC (H.264) with monaural audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: Yes No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Nikon F Pentax K (KA/KAF/KAF2/3)
Lens: NIKKOR AF-S 18-55mm f/3.5-5.6G DX VR smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm
Focal Length (35mm equivalent): 27 - 83mm 27 - 83mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.00x 3.06x
Aperture Range: f/3.5 -22 (W), f/5.6 -36 (T) f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11 point TTL phase detection with 3D focus tracking by Nikon Multi-CAM 1000; Single-point, Dynamic and Auto Area modes. One cross-type sensor. Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentamirror, ~95% coverage, ~0.78x magnification (50mm f/1.4 lens and infinity, -1.0m^1), 17.9mm eyepoint (-1.0m^1), -1.7 to +0.7 diopter SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, Natural-Bright-Matte III focusing screen (interchangeable)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.52x 0.61x
Viewfinder Magnification (nominal/claimed): 0.78x 0.92x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 31.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-6400, Hi-1=12800, Hi-2=25600 Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Manual Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets
Shutter Speed Range: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 3D Color Matrix Metering II (420-pixel RGB), Center-weighted (75% given to 8mm circle in the center), Spot (3.5mm circle (2.5%) centered on selected focus point) TTL open-aperture: 77-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Child, Sports, Close up, Scene (Party/indoor, Beach/snow, Sunset, Dusk/dawn, Pet portrait, Candlelight, Blossom, Autumn colors, Food, Night portrait, Night landscape), Special Effects (Stills or D-movies: Silhouette, Selective Color, Night Vision, High Key, Low Key, Miniature Effect, Color Sketch). Sensitivity Priority, Shutter and Aperture Priority, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3
Self Timer: 2, 5, 10, 20 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, auto with red-eye reduction, auto slow sync, auto slow sync with red-eye reduction, fill-flash, red-eye reduction, slow sync, slow sync with red-eye reduction, rear-curtain with slow sync, rear-curtain sync, off; 18-300mm coveraqge P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent Depends on lens
Max Flash Sync: 1/200 1/180
Flash Exposure Compensation: -3 to +1 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: NEF (RAW) 14-bits, RAW+JPEG 12-bit RAW (.DNG), RAW+JPEG
Movie File Format: MOV H.264/MPEG-4 MOV MPEG-4 AVC (H.264) with monaural audio
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: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional ML-L3 IR Remote or MC-DC2 Remote Cord Optional Wired or IR
Connections (extended): HDMI Out (with CEC), Accessory Terminal for Wired Remote (MC-DC2) or GPS (GP-1), 3.5mm Stereo Mic Jack; DC-input via dummy battery AC adapter. Wired remote port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.73  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.77  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.77  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 3.9 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 30
RAW shooting speed in burst mode (fps): 4.0  
Buffer size for RAW shooting in burst mode (frames): 13  
RAW+JPEG shooting speed in burst mode (fps): 3.9  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 9  
Shutter lag (full AF, wide/mid): 0.27 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.28 seconds  
Shutter lag (prefocused, live view - DSLR): 0.488 seconds  
Shutter Lag (manual focus): 0.248 seconds  
Shutter lag (full AF, with flash): 0.29 seconds  
Shutter Lag (prefocused): 0.114 seconds  
Shutter Lag (notes): Optical Viewfinder: Wide-area AF: 0.408s Live View: Full AF lag: 1.28s Prefocused: 0.49s  
Startup Time: 0.5 seconds  
Play -> Record Time: 0.4 seconds  
Flash cycle time, full power: 4.0 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 660 shots 480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL14 Proprietary; optional D-BH109 AA Battery Holder
Usable Battery Types: Lithium-ion rechargeable D-LI109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary EN-EL14 Lithium-ion rechargeable 1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: ViewNX 2 CD-ROM Software CDROM (SILKYPIX Developer Studio for PENTAX included)
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: 3" Vari-angle 921K-dot LCD, Full HD Videos (up to [email protected]), In-camera Special Effects, Night Vision mode, HDR, Active D-Lighting, 3.5mm External Stereo Mic socket. Replaces K-30: tweaked 16MP sensor, tweaked PRIME M processor, maximum ISO now 51,200, controllable Eye-Fi connection, new WR L kit lenses. Available in 120 colors (20 base colors, 6 grip colors).