• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 600.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-50
  • Sony Cyber-shot DSC-RX10 III
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
Sony RX10 IV
RX10 III vs RX10 IV
General
Model Number: K-50 RX10 III
Alternate Model Number(s):   DSC-RX10M3
Camera Format: SLR EVF
Currently Manufactured: No Yes
Retail Price: $779.95 $1500.00
Street Price: $149.00 $1,398.00
Date Available: 2013-07-15 2016-05-18
Tripod Mount: Yes Yes
Weight: 31.9 oz (904 g)
includes batteries, kit lens
38.6 oz (1,095 g)
includes batteries
Size: 5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
5.2 x 3.7 x 5.0 in.
(133 x 94 x 127 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony Exmor RS
Effective Megapixels: 16.3 20.1
Sensor Format: APS-C 1 inch
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 4.81 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
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: 79 70
DxO Color Depth Score (bits): 23.7 23.1
DxO Dynamic Range Score (evs): 13.0 12.6
DxO Maximum Effective ISO Score (iso): 1,120 472
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)
5472 x 3648 (20.0 MP, 3:2),
4864 x 3648 (17.7 MP, 4:3),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3648 x 2736 (10.0 MP, 4:3),
3648 x 2056 (7.5 MP, Other),
2736 x 1824 (5.0 MP, 3:2),
2592 x 1944 (5.0 MP, 4:3),
2720 x 1528 (4.2 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG JPEG, RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 6.0 14.2
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​24p)
1280x720 (30p/​25p)
1824x1026 (250p/​240p)
1676x566 (500p/​480p/​250p/​240p)
1136x384 (1000p/​960p/​500p/​480p)
800x270 (1000p/​960p)
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
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) n/a
Lens: smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm Zeiss Vario-Sonnar T*, 18 elements in 13 groups (6 aspheric elements, including AA lens; 7 ED glass elements, 1 Super ED glass element)
Focal Length (35mm equivalent): 27 - 83mm 24 - 600mm
Focal Length (actual): 18 - 55mm 8.8 - 220mm
Zoom Ratio: 3.06x 25.00x
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) f/2.4 (W) / f/4 (T) - f/16; 9-blade iris diaphragm
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
3 cm to Infinity
1.2 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; up to 2x Clear Image Digital Zoom
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: Wide, Center, Flexible Spot (S/M/L), Expanded Flexble Spot, Lock on AF (Wide/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot)
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) Fixed EVF: 0.39-inch, 2359K-dot XGA OLED, 100% coverage, 0.7x magnification, 4 dual-sided aspheric lenses, 33 degree view angle, -4.0 to +3.0 diopter, eyepoint 23mm from eyepiece, 21.5mm from eyepiece frame (CIPA standard), eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x 0.70x
Viewfinder Magnification (nominal/claimed): 0.92x 0.26x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: No 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, ISO 100 - 12800 with ISO 64 and 80 low extensions, up to 25600 with Multi Frame NR
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, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Color Temp/Filter, Custom
Shutter Speed Range: 1/6000 - 30 sec 1/32000 - 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: 77-segment, Center-weighted, Spot Multi-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: 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 Scene Modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion Blur, Panorama; HFR Mode; Picture Effects: Toy Camera, Pop Color, Posterization, Retro Photo, Soft High- key, Partial Color, High Contrast Monochrome, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto / Level), Auto High Dynamic Range: Off, Auto exposure difference, Exposure difference level (1.0 - 6.0 EV, 1.0 EV step)
Self Timer: 2 or 12 seconds 2, 5, 10; 3 or 5 shots after 2, 5, 10; Smile seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync Auto, Fill-flash, Slow Sync, Rear Sync, Off; (Wireless supported via external flash only; internal flash does not support Wireless mode.)
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Depends on lens ISO Auto: Approx. 1.0m to 10.8m (3.28 ft. to 35.43 ft.) (W) / Approx. 1.0m to 6.5m (3.28 ft. to 21.33 ft.) (T)
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Multi Interface Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.DNG), RAW+JPEG RAW (ARW 2.3), RAW+JPEG
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
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 Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Optional Wired or Wi-Fi
Connections (extended): Wired remote port Micro HDMI (Type D) with 4K support, Multi-terminal Micro USB port supports optional wired remote, External mic and headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   <0.3
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):   <0.3
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 6.0 14.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 44
RAW shooting speed in burst mode (fps):   8.0
Buffer size for RAW shooting in burst mode (frames):   29
RAW+JPEG shooting speed in burst mode (fps):   8.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   25
Shutter lag (full AF, wide/mid):   0.20 seconds
Shutter lag (full AF, tele):   0.22 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.101 seconds
Shutter lag (full AF, with flash):   0.28 seconds
Shutter Lag (prefocused):   0.024 seconds
Shutter Lag (notes):    
Startup Time:   2.1 seconds
Play -> Record Time:   1.0 seconds
Flash cycle time, full power:   2.7 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   420 shots
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 370 shots
Battery Life, Video:   65 minutes
Battery Form Factor: Proprietary; optional D-BH109 AA Battery Holder Proprietary
Usable Battery Types: D-LI109 Lithium-ion rechargeable NP-FW50 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 Lithium-ion rechargeable 1 x Proprietary NP-FW50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software CDROM (SILKYPIX Developer Studio for PENTAX included) Capture One Express (for Sony) free download
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).