• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • APS-C 357.3mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • Detailed specifications
  • Pentax K-50
  • Sony Alpha ILCE-A3000
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 A3000
Alternate Model Number(s):   ILCE-3000, ILCE-3500
Camera Format: SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $779.95 $399.99
Street Price: $149.00 $499.99
Date Available: 2013-07-15 2013-09-15
Tripod Mount: Yes Yes
Weight: 31.9 oz (904 g)
includes batteries, kit lens
21.7 oz (616 g)
includes batteries, kit lens
Size: 5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
5.0 x 3.6 x 3.3 in.
(128 x 91 x 85 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 16.3 20.1
Sensor Format: APS-C APS-C
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 357.28mm2 (23.20mm x 15.40mm)
Approximate Pixel Pitch: 4.81 microns 4.25 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: 79 78
DxO Color Depth Score (bits): 23.7 23.7
DxO Dynamic Range Score (evs): 13.0 12.8
DxO Maximum Effective ISO Score (iso): 1,120 1,068
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)
5456 x 3632 (19.8 MP, 3:2),
5456 x 3064 (16.7 MP, 16:9),
3872 x 2576 (10.0 MP, 3:2),
3872 x 2176 (8.4 MP, 16:9),
2736 x 1824 (5.0 MP, 3:2),
2736 x 1536 (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 (12-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 6.0 3.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
1920x1080 (60i or 24p (24/​17Mbps))
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) Sony E
Lens: smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm Sony SEL1855 18-55mm f/3.5-5.6 OSS; 11 elements in 9 groups with 3 apherical elements
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 - f/22 (wide) / f/5.6 - f/38 (tele) f/3.5 - 22 (W), f/5.6 - 32 (T); 7 blade aperture
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: 52.0mm 49.0mm
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-detect AF: Multi Point (25 points)/ Center-weighted/ 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) EVF: 0.5cm (0.2 type), 201,600 dot equivalent, 100% coverage, 0.7x magnification, -4 to +3.5 m^-1 diopter, 21mm eyepoint from eyepiece lens, 15mm from eyepiece frame at -1m^-1 diopter (CIPA standard)
Focus Peaking: Yes Yes
EVF Resolution: n/a 201,600 dots
Viewfinder Magnification (35mm equivalent): 0.61x 0.47x
Viewfinder Magnification (nominal/claimed): 0.92x 0.70x
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) 230,400 dots (76,800 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 15.1x
Top Deck Display: No No
Exposure
Maximum ISO (native): 51200 16000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000
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, Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation)
Shutter Speed Range: 1/6000 - 30 sec 1/4000 - 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 1200-zone Evaluative 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, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Picture Effects: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Mono, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Mono, Miniature; HDR; DRO
Self Timer: 2 or 12 seconds 2 or 10; 3 shots after 10 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 Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync. Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 4.0 m / 13.1 ft.
Flash Range Description: Depends on lens Lens dependent; GN = 6m (ISO 200) / 4m (ISO100)
Max Flash Sync: 1/180 1/160
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 PRO Duo / SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.DNG), RAW+JPEG RAW (12-bit ARW 2.3), RAW+JPEG
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Optional wired RM-VPR1
Connections (extended): Wired remote port Multi Terminal/Micro USB (with remote support)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.98
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):   1.84
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 6.0 3.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 11
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):   3.5
Buffer Size for RAW+JPEG shooting in burst mode (frames):   5
Shutter lag (full AF, wide/mid):   0.28 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.069 seconds
Shutter lag (full AF, with flash):   0.39 seconds
Shutter Lag (prefocused):   0.022 seconds
Shutter Lag (notes):   Full AF lag, Wide-Area AF mode = 0.289s
Startup Time:   2.2 seconds
Play -> Record Time:   1.0 seconds
Flash cycle time, full power:   2.2 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; 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) PlayMemories Home, Image Data Converter 4
OS Compatibility:   Windows XP/Vista/7/8; Mac OS X 10.5 or later. (PlayMemories Home is Windows only.)
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). Mirrorless ILC that looks like an SLR. Sony E-mount, contrast-detect AF, Full HD movies (60i/24p).