Sigma DP3 Merrill vs Pentax K-50 Specifications

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

Go in depth with our full Sigma DP3 Merrill Review.

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.

Detailed specifications
Sigma DP3 Merrill
Pentax K-50

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:	DP3 Merrill	K-50
Alternate Model Number(s):
Camera Format:	Mid-Sized	SLR
Currently Manufactured:	No	No
Retail Price:	$999.99	$779.95
Street Price:	$899.00	$149.00
Date Available:	2013-03-15	2013-07-15
Tripod Mount:	Yes	Yes
Weight:	14.1 oz (400 g)	31.9 oz (904 g) includes batteries, kit lens
Size:	4.8 x 2.6 x 3.2 in. (122 x 67 x 81 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:	Foveon X3	Sony
Effective Megapixels:	14.8	16.3
Sensor Format:	APS-C	APS-C
Sensor size:	368.95mm² (23.50mm x 15.70mm)	372.09mm² (23.70mm x 15.70mm)
Approximate Pixel Pitch:	5.00 microns	4.81 microns
Focal Length Multiplier:	n/a	1.5x
Aspect Ratio:	3:2	3:2
Color Filter Type:	Full Color	RGBG
Anti Aliasing Filter:	Not needed	Fixed
Self-Cleaning:	No	Yes
Sensor shift image stabilization:	No	Yes
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:	4704 x 3136 (14.8 MP, 3:2), 3264 x 2176 (7.1 MP, 3:2), 2336 x 1568 (3.7 MP, Other)	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, 12-bit RAW (.X3F), RAW+JPEG	JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second:	4.0	6.0
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	640x480 (30)	1920x1080 (30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p) 640x480 (30p/25p/24p)
Movie File Format:	AVI (Motion JPEG) with monaural sound	MOV MPEG-4 AVC (H.264) with monaural audio
Composite Video Out:	Yes	Yes
NTSC/PAL Switchable Video:	Yes	Yes
Video Usable as Viewfinder:		No
HD Video Out:	No	No
HD Video Connection:

Lens & Optics
Lens Mount:	n/a	Pentax K (KA/KAF/KAF2/3)
Lens:	Sigma Lens; 10 elements in 8 groups	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):	75mm	27 - 83mm
Focal Length (actual):	50mm	18 - 55mm
Zoom Ratio:	Non-Zoom	3.06x
Aperture Range:	f/2.8 - f/16, with 7-bladed diaphragm	f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)
Integrated ND Filter:	No	No
Normal Focus Range:	100 cm to Infinity 39.4 in to Infinity	25 cm to Infinity 9.8 in to Infinity
Macro Focus Range:	23 cm to Infinity 8.9 in to Infinity
Filter Thread:	52.0mm	52.0mm
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:	No	No
Digital Zoom Values:	n/a	n/a
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Contrast Detection: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large.)	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?	No	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	No / LCD	Optical / 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:	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:	No	No
Tilt Swivel Screen:	No	No
Selfie Screen:	No	No
Max Playback Zoom:	10.0x	16.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):	6400	51200
Minimum ISO (native):	100	100
ISO Settings:	Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom	Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets
Shutter Speed Range:	1/2000 - 30 sec	1/6000 - 30 sec
Bulb Mode:	No	Yes
Exposure Compensation:	+/- 3.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	Evaluative, center-weighted average, 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:	No scene modes or effects. Note that maximum shutter speed varies with aperture. Top shutter speeds are 1/2000s at f/5.6-f/16, 1/1600s at f/4.0-f/16 and 1/1250s at f/2.8-f/16.	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 or 10 seconds	2 or 12 seconds
Time Lapse (intervalometer):	Yes	Yes
High Resolution Composite:	No	No
Flash
Built-in Flash:	No	Yes
Flash Modes:	Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)	P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync
Flash Guide Number (ISO 100):	n/a	12.0 m / 39.4 ft.
Flash Range Description:	n/a	Depends on lens
Max Flash Sync:		1/180
Flash Exposure Compensation:	+/- 3.0 EV in 0.3EV steps	-2 to +1 EV in 0.5EV 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:	No UHS support
Other Memory:
Dual Card Slots:	No	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	12-bit RAW (.X3F), RAW+JPEG	12-bit RAW (.DNG), RAW+JPEG
Movie File Format:	AVI (Motion JPEG) with monaural sound	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:	No	Yes
Remote Control Type:		Optional Wired or IR
Connections (extended):	Combined USB/AV	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):	4.0	6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):	7	30
RAW shooting speed in burst mode (fps):	4.0
Buffer size for RAW shooting in burst mode (frames):	7
RAW+JPEG shooting speed in burst mode (fps):	4.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):	7
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):	97 shots
Battery Life, Still (CIPA Rating OVF/EVF):		480 shots
Battery Life, Video:
Battery Form Factor:	Proprietary BP-41	Proprietary; optional D-BH109 AA Battery Holder
Usable Battery Types:	Lithium-ion rechargeable	D-LI109 Lithium-ion rechargeable
Batteries Included:	2 x Proprietary BP-41 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:	Yes
Internal Charging Supported:	No
Software
Included Software:	SIGMA Photo Pro	Software CDROM (SILKYPIX Developer Studio for PENTAX included)
OS Compatibility:	Windows, Mac OS
Miscellaneous
Notes & Features:	3 x 14.8 megapixel Foveon X3 sensor, Dual TRUE II image processors, 50mm f/2.8 macro lens, Quick Set menu, new Face Detection AF, AF+MF mode, VGA movies.	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).