• APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • Detailed specifications
  • Sigma DP1 Merrill
  • Pentax MX-1
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DP1 Merrill MX-1
Alternate Model Number(s):    
Camera Format: Mid-Sized Mid-Sized
Currently Manufactured: No No
Retail Price: $799.00 $499.95
Street Price: $849.00 $399.00
Date Available: 2012-09-15 2013-02-15
Tripod Mount: Yes Yes
Weight: 13.8 oz (391 g)
includes batteries
14.1 oz (399 g)
includes batteries
Size: 4.8 x 2.6 x 2.5 in.
(122 x 67 x 64 mm)
4.8 x 2.4 x 2.0 in.
(122 x 61 x 51 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 BSI CMOS
Effective Megapixels: 14.8 12.0
Sensor Format: APS-C 1/1.7 inch
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 5.00 microns 1.90 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed  
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
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: 4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
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)
Image File Format: JPEG, 12-bit RAW (.X3F), RAW+JPEG JPEG (Exif 2.3), 12-bit DNG RAW
Continuous-mode frames/second: 3.8 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30) 1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (120p)
Movie File Format: AVI (Motion JPEG) with monaural sound MOV (MPEG-4 AVC/H.264) with stereo sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Sigma Lens; 9 elements in 8 groups smc Pentax Lens, 11 elements in 8 groups (4 aspherical elements)
Focal Length (35mm equivalent): 28mm 28 - 112mm
Focal Length (actual): 19mm 6 - 24mm
Zoom Ratio: 1.00x 4.00x
Aperture Range: f/2.8 - f/16, with 9-bladed diaphragm f/1.8 (W) / f/2.5 (T) - f/8
Integrated ND Filter: No Yes
Normal Focus Range: 100 cm to Infinity
39.4 in to Infinity
40 cm to Infinity
15.6 in to Infinity
Macro Focus Range: 20 cm to Infinity
7.9 in to Infinity
1 - 20 cm
0.4 - 7.9 in
Filter Thread: 49.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 1.95x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 9 points select mode, Free move mode; possible to change size of focus frame (Spot, Regular, Large) Contrast Detection: Auto, Spot, Tracking , AF Select (25 Points), Infinity Landscape, Manual Focus, Pan Focus, AF Point Switching
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD No / LCD
Viewfinder Type: Optional add-on optical type VF-11.  
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: 921,600 dots (307,200 px) 921,000 dots (307,000 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x 10.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 6400 12800
Minimum ISO (native): 100 100
ISO Settings: Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps Auto (100-12800 with selectable upper limit), 100-12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Fluorescent light (D:Daylight Color, N:Daylight White, W:Cool White, L:Warm White),Tungsten, Flash
Shutter Speed Range: 1/2000 - 30 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Evaluative, center-weighted average, spot 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: 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. 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)
Self Timer: 2 or 10 seconds 2 or 10; 3 shots after 10 seconds
Time Lapse (intervalometer): Yes No
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) Auto, Flash Off, Flash On, Red-eye, Slow-speed synchro, Slow-speed+Red-eye, Trailing Curtain Sync
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a 1.31 - 40’ (wide, auto ISO), 1.31 - 29’ (tele, auto ISO)
Max Flash Sync:    
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe n/a
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 RAW (.X3F), RAW+JPEG 12-bit DNG RAW
Movie File Format: AVI (Motion JPEG) with monaural sound MOV (MPEG-4 AVC/H.264) with stereo sound
Included Memory: No memory included 75.3 MB
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: No Yes
Remote Control Type:   Optional IR
Connections (extended): Combined USB/AV Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.68 1.43
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.84 1.91
Buffer size for RAW shooting in single shot mode (frames): 9 7
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.88  
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.8 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 10
RAW shooting speed in burst mode (fps): 3.8  
Buffer size for RAW shooting in burst mode (frames): 7  
RAW+JPEG shooting speed in burst mode (fps): 3.8  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 7  
Shutter lag (full AF, wide/mid): 0.49 seconds 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): 0.081 seconds 0.178 seconds
Shutter lag (full AF, with flash):   0.30 seconds
Shutter Lag (prefocused): 0.043 seconds 0.016 seconds
Shutter Lag (notes): Full AF lag, Speed Priority AF mode = 0.424s  
Startup Time: 2.9 seconds 2.2 seconds
Play -> Record Time: 0.8 seconds 1.4 seconds
Flash cycle time, full power:   4.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 97 shots 290 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary BP-41 Proprietary D-Li106
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 2 x Proprietary BP-41 Lithium-ion rechargeable 1 x Proprietary D-Li106 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 CD-ROM including SILKYPIX Developer Studio 3.0 LE for PENTAX RICOH IMAGING RAW development software
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: Update of DP1x with same 14.8MP x 3 Foveon X3 Full Color sensor used in the SD1, 3-inch 920K-dot LCD, and dual TRUE II processors. 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.