• 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • Detailed specifications
  • Pentax MX-1
  • Sigma DP3 Merrill
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: MX-1 DP3 Merrill
Alternate Model Number(s):    
Camera Format: Mid-Sized Mid-Sized
Currently Manufactured: No No
Retail Price: $499.95 $999.99
Street Price: $399.95 $899.00
Date Available: 2013-02-15 2013-03-15
Tripod Mount: Yes Yes
Weight: 14.1 oz (399 g)
includes batteries
14.1 oz (400 g)
Size: 4.8 x 2.4 x 2.0 in.
(122 x 61 x 51 mm)
4.8 x 2.6 x 3.2 in.
(122 x 67 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: BSI CMOS Foveon X3
Effective Megapixels: 12.0 14.8
Sensor Format: 1/1.7 inch APS-C
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 1.90 microns 5.00 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter:   Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 49  
DxO Color Depth Score (bits): 20.4  
DxO Dynamic Range Score (evs): 11.3  
DxO Maximum Effective ISO Score (iso): 208  
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3968 x 2232 (8.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1728 (4.5 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
2048 x 1152 (2.4 MP, 16:9)
4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
Image File Format: JPEG (Exif 2.3), 12-bit DNG RAW JPEG, 12-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second: 4.0 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (120p)
640x480 (30)
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: smc Pentax Lens, 11 elements in 8 groups (4 aspherical elements) Sigma Lens; 10 elements in 8 groups
Focal Length (35mm equivalent): 28 - 112mm 75mm
Focal Length (actual): 6 - 24mm 50mm
Zoom Ratio: 4.00x Non-Zoom
Aperture Range: f/1.8 (W) / f/2.5 (T) - f/8 f/2.8 - f/16, with 7-bladed diaphragm
Integrated ND Filter: Yes No
Normal Focus Range: 40 cm to Infinity
15.6 in to Infinity
100 cm to Infinity
39.4 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in
23 cm to Infinity
8.9 in to Infinity
Filter Thread: n/a 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes No
Digital Zoom Values: Up to 1.95x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Auto, Spot, Tracking , AF Select (25 Points), Infinity Landscape, Manual Focus, Pan Focus, AF Point Switching Contrast Detection: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large.)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots (307,000 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x 10.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 12800 6400
Minimum ISO (native): 100 100
ISO Settings: Auto (100-12800 with selectable upper limit), 100-12800 Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent light (D:Daylight Color, N:Daylight White, W:Cool White, L:Warm White),Tungsten, Flash Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi-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: Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Time Lapse Movie, Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M); Digital filters (capture): Movie (B&W, Sepia, Fisheye, Miniature, Sketch); Dynamic Range adjustment: Yes (shadow, highlight) 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.
Self Timer: 2 or 10; 3 shots after 10 seconds 2 or 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Flash Off, Flash On, Red-eye, Slow-speed synchro, Slow-speed+Red-eye, Trailing Curtain Sync Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 1.31 - 40’ (wide, auto ISO), 1.31 - 29’ (tele, auto ISO) n/a
Max Flash Sync:    
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:    
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 DNG RAW 12-bit RAW (.X3F), RAW+JPEG
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound AVI (Motion JPEG) with monaural sound
Included Memory: 75.3 MB No memory included
Included Memory Type: Internal  
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 No
Remote Control Type: Optional IR  
Connections (extended): Micro (Type D) HDMI Combined USB/AV
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.43  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.91  
Buffer size for RAW shooting in single shot mode (frames): 7  
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): 4.0 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 7
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): 0.24 seconds  
Shutter lag (full AF, tele): 0.25 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.178 seconds  
Shutter lag (full AF, with flash): 0.30 seconds  
Shutter Lag (prefocused): 0.016 seconds  
Shutter Lag (notes):    
Startup Time: 2.2 seconds  
Play -> Record Time: 1.4 seconds  
Flash cycle time, full power: 4.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 290 shots 97 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-Li106 Proprietary BP-41
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-Li106 Lithium-ion rechargeable 2 x Proprietary BP-41 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 CD-ROM including SILKYPIX Developer Studio 3.0 LE for PENTAX RICOH IMAGING RAW development software SIGMA Photo Pro
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Image Stabilization: Still: Sensor-Shift SR, Digital SR (ISO 100-12800), Dual (SR & Pixel Track SR); Movie: Movie Shake Reduction Mode (Movie SR); (Maximum effect of 3 stops using Sensor-Shift SR); 12-bit RAW (DNG) support, Dual-axial digital level, Dual remote control sensors. Available in black or two-tone silver and black. 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.