• APS-C 366.6mm2
  • 16.1 megapixels
  •  
  • APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Alpha NEX-F3
  • Pentax K-50
Links
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: NEX-F3 K-50
Alternate Model Number(s):    
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $599.99 $779.95
Street Price:   $306.03
Date Available: 2012-06-15 2013-07-15
Tripod Mount: Yes Yes
Weight: 18.6 oz (526 g)
includes batteries, kit lens
31.9 oz (904 g)
includes batteries, kit lens
Size: 4.6 x 2.6 x 1.6 in.
(117 x 67 x 41 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 Exmor APS HD Sony
Effective Megapixels: 16.1 16.3
Sensor Format: APS-C APS-C
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 372.09mm2 (23.70mm x 15.70mm)
Approximate Pixel Pitch: 4.78 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: 73 79
DxO Color Depth Score (bits): 22.7 23.7
DxO Dynamic Range Score (evs): 12.3 13.0
DxO Maximum Effective ISO Score (iso): 1,114 1,120
Image Capture
Image Resolution: 4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 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),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
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, .ARW RAW, RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second: 5.5 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
Movie File Format: AVCHD 1.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV MPEG-4 AVC (H.264) with monaural audio
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony E Pentax K (KA/KAF/KAF2/3)
Lens: Sony SEL1855 18-55mm f/3.5-5.6 OSS 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: 3.06x 3.06x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 34 (T) 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
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 49.0mm 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes No
Digital Zoom Values: Up to 2x Clear Image or Precision Digital Zoom n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: 25-area, Center, Flexible Spot (11x17 areas); with Face Detection 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: LCD Optical / LCD
Viewfinder Type: Optional EVF (FDA-EV1S) 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):   0.61x
Viewfinder Magnification (nominal/claimed):   0.92x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 13.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native):   51200
Minimum ISO (native):   100
ISO Settings: Auto, 200, 400, 800, 1600, 3200, 6400, 12800, 16000 Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Color Temp./Filter, Custom 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: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Multi Segment, Center-weighted, Spot 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: Sweep Panorama, 3D Sweep Panorama, Anti Motion Blur, Scene Selection (Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight(6 shot layering)), Picture Effect (Posterization (Color/B/W), Pop Color, Retro Photo, Partial color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal/Cool), Soft High-key, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Miniature (7 Settings)) 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, 10, Self-portrait, 3 or 5 shots after 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Autoflash, Fill-flash, Rear sync., Slow sync., Red-eye reduction P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync
Flash Guide Number (ISO 100): 6.0 m / 19.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent Depends on lens
Max Flash Sync: 1/160 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Smart Accessory Terminal 2 Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .ARW RAW, RAW+JPEG 12-bit RAW (.DNG), RAW+JPEG
Movie File Format: AVCHD 1.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV MPEG-4 AVC (H.264) with monaural audio
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
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
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional Wired or IR
Connections (extended): Mini HDMI (Type C), Smart Accessory Terminal 2 Wired remote port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.68  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.91  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.5 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 30
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.31 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.060 seconds  
Shutter lag (full AF, with flash): 0.44 seconds  
Shutter Lag (prefocused): 0.021 seconds  
Shutter Lag (notes): Full Autofocus AF lag, Multi-area mode = 0.311s  
Startup Time: 1.5 seconds  
Play -> Record Time: 1.0 seconds  
Flash cycle time, full power: 2.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 470 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary InfoLithium NP-FW50 Proprietary; optional D-BH109 AA Battery Holder
Usable Battery Types: Lithium-ion rechargeable D-LI109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 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:
Internal Charging Supported:
Software
Included Software: PMB (Picture Motion Browser) , Image Data Converter S, Image Data Lightbox SR Software CDROM (SILKYPIX Developer Studio for PENTAX included)
OS Compatibility: Windows XP/Vista/7; Mac OS X 10.3 or later. (PMB is Windows only.)  
Miscellaneous
Notes & Features: Auto Portrait Framing, Self-portrait self-timer, Clear Image Zoom, Superior Auto, USB charging. Available in silver, black or white. 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).