Pentax K-50 vs Sigma dp3 Quattro Specifications

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APS-C 372.1mm²
16.3 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-50 Review.
See real-world photos taken with the K-50.

APS-C 369.0mm²
19.6 megapixels
75.00mm (35mm eq.)

Go in depth with our full Sigma dp3 Quattro Review.

Detailed specifications
Pentax K-50
Sigma dp3 Quattro

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	dp3 Quattro
Alternate Model Number(s):
Camera Format:	SLR	Mid-Sized
Currently Manufactured:	No	Yes
Retail Price:	$779.95	$999.00
Street Price:	$149.00	$999.00
Date Available:	2013-07-15	2015-04-15
Tripod Mount:	Yes	Yes
Weight:	31.9 oz (904 g) includes batteries, kit lens	16.4 oz (465 g)
Size:	5.1 x 3.8 x 2.8 in. (130 x 97 x 71 mm)	6.4 x 2.6 x 4.0 in. (161 x 67 x 102 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:	Sony	Foveon X3 Quattro
Effective Megapixels:	16.3	19.6
Sensor Format:	APS-C	APS-C
Sensor size:	372.09mm² (23.70mm x 15.70mm)	368.95mm² (23.50mm x 15.70mm)
Approximate Pixel Pitch:	4.81 microns	4.33 microns
Focal Length Multiplier:	1.5x	1.5x
Aspect Ratio:	3:2	3:2
Color Filter Type:	RGBG	Full Color
Anti Aliasing Filter:	Fixed	Not needed
Self-Cleaning:	Yes	No
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)	5424 x 3616 (19.6 MP, 3:2), 4816 x 3616 (17.4 MP, 4:3), 5424 x 3048 (16.5 MP, 16:9), 3616 x 3616 (13.1 MP, 1:1), 5424 x 2328 (12.6 MP, Other), 2704 x 1808 (4.9 MP, 3:2), 2400 x 1808 (4.3 MP, 4:3), 2704 x 1520 (4.1 MP, 16:9), 1808 x 1808 (3.3 MP, 1:1), 2704 x 1160 (3.1 MP, Other), 7680 x 5120 (39.3 MP, 3:2), 6816 x 5120 (34.9 MP, 4:3), 7680 x 4320 (33.2 MP, 16:9), 5120 x 5120 (26.2 MP, 1:1), 7680 x 3296 (25.3 MP, Other)
Image File Format:	JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG	JPEG (EXIF 2.3), 14-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second:	6.0	n/a
Video Capture
Can take movies:	Yes	No
Movie Resolution:	1920x1080 (30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p) 640x480 (30p/25p/24p)
Movie File Format:	MOV MPEG-4 AVC (H.264) with monaural audio
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)	n/a
Lens:	smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR; 11 elements in 8 groups, 6 bladed diaphragm	Sigma Lens; 10 elements in 8 groups
Focal Length (35mm equivalent):	27 - 83mm	75mm
Focal Length (actual):	18 - 55mm	50mm
Zoom Ratio:	3.06x	1.00x
Aperture Range:	f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)	f/2.8 - f/16, with 7-bladed diaphragm
Integrated ND Filter:	No	No
Normal Focus Range:	25 cm to Infinity 9.8 in to Infinity	100 cm to Infinity 39.4 in to Infinity
Macro Focus Range:		23 cm to Infinity 8.9 in to Infinity
Filter Thread:	52.0mm	58.0mm
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: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF mode
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	Optical / LCD	No / 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)
Focus Peaking:	Yes	No
EVF Resolution:	n/a	n/a
Viewfinder Magnification (35mm equivalent):	0.61x
Viewfinder Magnification (nominal/claimed):	0.92x
Display
Eye-level Viewfinder:	Yes	No
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:	No	No
Tilt Swivel Screen:	No	No
Selfie Screen:	No	No
Max Playback Zoom:	16.0x	10.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):	51200	6400
Minimum ISO (native):	100	100
ISO Settings:	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)	Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits
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, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom
Shutter Speed Range:	1/6000 - 30 sec	1/2000 - 30 sec
Bulb Mode:	Yes	No
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 3.0EV in 0.3EV steps
Metering Modes:	TTL open-aperture: 77-segment, Center-weighted, Spot	Evaluative, center-weighted average, 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	Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome
Self Timer:	2 or 12 seconds	2 or 10 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	Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
Flash Guide Number (ISO 100):	12.0 m / 39.4 ft.	n/a
Flash Range Description:	Depends on lens	Optional EF-140S compact flash has GN=14m (ISO 100)
Max Flash Sync:	1/180	1/1250 at F2.8, 1/1600 at F4 and 1/2000 at F5.6
Flash Exposure Compensation:	-2 to +1 EV in 0.5EV steps	+/- 3.0 EV in 0.3EV 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:	12-bit RAW (.DNG), RAW+JPEG	14-bit RAW (.X3F), RAW+JPEG
Movie File Format:	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:	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	Via USB cable switch
Connections (extended):	Wired remote port

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):
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):
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):	6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):	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):
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):
Shutter lag (full AF, with flash):
Shutter Lag (prefocused):
Shutter Lag (notes):
Startup Time:
Play -> Record Time:
Flash cycle time, full power:
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):		200 shots
Battery Life, Still (CIPA Rating OVF/EVF):	480 shots
Battery Life, Video:
Battery Form Factor:	Proprietary; optional D-BH109 AA Battery Holder	Proprietary BP-51
Usable Battery Types:	D-LI109 Lithium-ion rechargeable	Lithium-ion rechargeable
Batteries Included:	1 x Proprietary D-LI109 Lithium-ion rechargeable	2 x Proprietary BP-51 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:	Software CDROM (SILKYPIX Developer Studio for PENTAX included)	SIGMA Photo Pro
OS Compatibility:		Windows, Mac OS
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).	New Foveon X3 Quattro sensor and TRUE III image processing engine.