• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • Medium format 1,441.0mm2
  • 51.4 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax K-50
  • Fujifilm GFX 50R
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-30
K-30 vs K-50
 
Successor: Pentax K-70
K-50 vs K-70
 
General
Model Number: K-50 GFX 50R
Alternate Model Number(s):    
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $779.95 $4499.95
Street Price: $149.00 $4,565.33
Date Available: 2013-07-15 2018-10-25
Tripod Mount: Yes Yes
Weight: 31.9 oz (904 g)
includes batteries, kit lens
27.3 oz (775 g)
includes batteries
Size: 5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
6.3 x 3.8 x 2.6 in.
(161 x 97 x 66 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 16.3 51.4
Sensor Format: APS-C Medium format
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 1441.02mm2 (43.80mm x 32.90mm)
Approximate Pixel Pitch: 4.81 microns 5.31 microns
Focal Length Multiplier: 1.5x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 79  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 13.0  
DxO Maximum Effective ISO Score (iso): 1,120  
Image Capture
Image Resolution: 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)
8256 x 6192 (51.1 MP, 4:3),
8256 x 5504 (45.4 MP, 3:2),
8256 x 4640 (38.3 MP, 16:9),
6192 x 6192 (38.3 MP, 1:1),
8256 x 3048 (25.2 MP, Other),
7744 x 6192 (48.0 MP, 5:4),
7232 x 6192 (44.8 MP, Other),
4000 x 3000 (12.0 MP, 4:3),
4000 x 2663 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
4000 x 1480 (5.9 MP, Other),
3744 x 3000 (11.2 MP, 5:4),
3504 x 3000 (10.5 MP, Other)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG JPEG, 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
Continuous-mode frames/second: 6.0 3.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
1920x1080 (30p/​25p/​24p/​23.98p)
1280x720 (30p/​25p/​24p/​23.98p)
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
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/KAF2/3) FUJINON G Mount
Lens: smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 52.0mm n/a
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: 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) Contrast Detection: 425 points; Single Point AF: 13x9 / 25x17 (Changeable Size of AF Frame Among 6 Types); Zone AF: 3x3 / 5x5 / 7x7 from 117 Areas on 13x9 Grid; Wide/Tracking AF: (Up to 9 Area); Single AF / Continuous AF / MF; Touch AF supported
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, Natural-Bright-Matte III focusing screen (interchangeable) 0.5-inch 3.69M-dot OLED, 100% coverage, 0.77x magnification (35mm eq.), 23mm eyepoint, -4 to +2 diopter adjustment, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,690,000 dots
Viewfinder Magnification (35mm equivalent): 0.61x 0.77x
Viewfinder Magnification (nominal/claimed): 0.92x 0.61x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 2,360,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: No 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 (1/2/3), 100-12800, expandable to 50-102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets Auto, Daylight, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom, Color Temperature (K)
Shutter Speed Range: 1/6000 - 30 sec 1/16000 - 3600 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot TTL 256-zone metering: Multi, Spot , Average, Center Weighted
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 (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 Film Simulation modes (PROVIA / Standard, Velvia / Vivid, ASTIA / Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, Black&White, Black&White+Ye Filter, Black&White+R Filter, Black&White+Gfilter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter), Dynamic range setting: AUTO, 100%, 200%, 400%
Self Timer: 2 or 12 seconds 10 or 2 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync TTL (Flash Auto / Standard / Slow Sync.), Manual, Off; Sync: 1st Curtain, 2nd Curtain; Auto FP (HSS)
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/125
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps  
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.DNG), RAW+JPEG 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Via Wi-Fi or Remote Release RR-100
Connections (extended): Wired remote port Micro HDMI (Type-D), USB-C (USB 3.1 Gen1), 2.5mm external mic/remote jack, 3.5mm headphone jack, DC input (15v)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.10
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.10
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 6.0 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 Unlimited
RAW shooting speed in burst mode (fps):   3.0
Buffer size for RAW shooting in burst mode (frames):   25
RAW+JPEG shooting speed in burst mode (fps):   3.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   11
Shutter lag (full AF, wide/mid):   0.44 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.119 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.102 seconds
Shutter Lag (notes):   Default EFCS used.
Startup Time:   1.1 seconds
Play -> Record Time:   0.9 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 400 shots
Battery Life, Video:   70 minutes
Battery Form Factor: Proprietary; optional D-BH109 AA Battery Holder Proprietary
Usable Battery Types: D-LI109 Lithium-ion rechargeable NP-T125 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary NP-T125 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Software CDROM (SILKYPIX Developer Studio for PENTAX included)  
OS Compatibility:    
Miscellaneous
Notes & Features: 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).