• APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 24.00mm - 840.00mm (35mm eq.)
  • Detailed specifications
  • Sigma DP1 Merrill
  • Nikon Coolpix A900
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Nikon S9900
S9900 vs A900
Successor:   Nikon A1000
A900 vs A1000
General
Model Number: DP1 Merrill A900
Alternate Model Number(s):    
Camera Format: Mid-Sized Compact
Currently Manufactured: No Yes
Retail Price: $799.00 $399.95
Street Price: $849.00 $396.95
Date Available: 2012-09-15 2016-04-15
Tripod Mount: Yes Yes
Weight: 13.8 oz (391 g)
includes batteries
10.2 oz (289 g)
includes batteries
Size: 4.8 x 2.6 x 2.5 in.
(122 x 67 x 64 mm)
4.4 x 2.6 x 1.6 in.
(113 x 67 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 BSI
Effective Megapixels: 14.8 20.2
Sensor Format: APS-C 1/2.3 inch
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.00 microns 1.19 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 None
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
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)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG, 12-bit RAW (.X3F), RAW+JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: 3.8 7.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30) 3840x2160 (30p/​25p)
1920x1080 (60p/​50p/​30p/​25p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (120p/​100p)
1280x720 (60p/​30p)
1920x1080 (15p/​12.5p)
Movie File Format: AVI (Motion JPEG) with monaural sound MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
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 Zoom-Nikkor; 13 elements in 11 groups including 4 ED lens elements
Focal Length (35mm equivalent): 28mm 24 - 840mm
Focal Length (actual): 19mm 4.3 - 151mm
Zoom Ratio: 1.00x 35.00x
Aperture Range: f/2.8 - f/16, with 9-bladed diaphragm f/3.4 (wde) / f/6.9 (tele) - ??; 3-blade iris diaphragm
Integrated ND Filter: No No
Normal Focus Range: 100 cm to Infinity
39.4 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 20 cm to Infinity
7.9 in to Infinity
1 cm to Infinity
0.4 in to Infinity
Filter Thread: 49.0mm n/a
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 Dynamic Fine Zoom
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: Center, Face priority, Manual with 99 focus areas, Subject tracking, Target finding AF
Auto Focus Assist Light? No Yes
Manual Focus: Yes No
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):   0.00x
Viewfinder Magnification (nominal/claimed):   0.00x
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) 921,600 dots (230,400 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 10.0x  
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 1600
Minimum ISO (native): 100 80
ISO Settings: Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps Auto, ISO 80 - 1600; ISO 3200 (available when using P, S, A or M mode)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Preset Manual
Shutter Speed Range: 1/2000 - 30 sec 1/4000 - 8 sec
Bulb Mode: No No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Evaluative, center-weighted average, spot Matrix, 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. Scene Modes: Backlighting, Beach, Close-up, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Multiple Exposure Lighten, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Scene Auto Selector, Snow, Sports, Sunset, Superlapse Movie; Smart Portrait, Special Effects
Self Timer: 2 or 10 seconds 10 , 5 or 2 seconds
Time Lapse (intervalometer): 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) Auto, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off; Slow Syncro
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a Auto ISO: [W]: 0.5 to 6.0m (1 ft. 8 in. to 19 ft.), [T]: 1.5 to 3.2m (5 ft. to 11 ft.)
Max Flash Sync:    
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (.X3F), RAW+JPEG  
Movie File Format: AVI (Motion JPEG) with monaural sound MP4 (Video: H.264/MPEG-4 AVC, Audio: AAC stereo)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
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,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Via Wi-Fi
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  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.84  
Buffer size for RAW shooting in single shot mode (frames): 9  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.88  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.8 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 7
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  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.081 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.043 seconds  
Shutter Lag (notes): Full AF lag, Speed Priority AF mode = 0.424s  
Startup Time: 2.9 seconds  
Play -> Record Time: 0.8 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 97 shots 270 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:   50 minutes
Battery Form Factor: Proprietary BP-41 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 2 x Proprietary BP-41 Lithium-ion rechargeable 1 x Proprietary EN-EL12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: SIGMA Photo Pro  
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. Available in silver and black.