• APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sigma DP3 Merrill
  • Sony Alpha ILCE-A7
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A7 II
A7 vs A7 II
General
Model Number: DP3 Merrill A7
Alternate Model Number(s):   ILCE-7
Camera Format: Mid-Sized Compact System Camera
Currently Manufactured: No Yes
Retail Price: $999.99 $1999.99
Street Price: $899.00 $748.00
Date Available: 2013-03-15 2013-12-07
Tripod Mount: Yes Yes
Weight: 14.1 oz (400 g) 27.1 oz (769 g)
includes batteries, kit lens
Size: 4.8 x 2.6 x 3.2 in.
(122 x 67 x 81 mm)
5.0 x 3.7 x 1.9 in.
(127 x 94 x 48 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 24.3
Sensor Format: APS-C 35mm
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 855.62mm2 (35.80mm x 23.90mm)
Approximate Pixel Pitch: 5.00 microns 5.97 microns
Focal Length Multiplier: n/a 1.0x
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 No
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   90
DxO Color Depth Score (bits):   24.8
DxO Dynamic Range Score (evs):   14.2
DxO Maximum Effective ISO Score (iso):   2,248
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)
6000 x 4000 (24.0 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
1968 x 1312 (2.6 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2216 (8.7 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
3936 x 2216 (8.7 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
1968 x 1112 (2.2 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG, 12-bit RAW (.X3F), RAW+JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 4.0 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30) 1920x1080 (60p(28Mbps)/​60i(24/​17Mbps)/​24p(24/​17Mbps))
1440x1080 (30p(12Mbps))
640x480 (30p(3Mbps))
Movie File Format: AVI (Motion JPEG) with monaural sound AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, 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 Sony E
Lens: Sigma Lens; 10 elements in 8 groups Sony FE 28-70mm f/3.5-5.6 OSS SEL2870
Focal Length (35mm equivalent): 75mm 28 - 70mm
Focal Length (actual): 50mm 28 - 70mm
Zoom Ratio: Non-Zoom 2.50x
Aperture Range: f/2.8 - f/16, with 7-bladed diaphragm f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele); 7 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 100 cm to Infinity
39.4 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range: 23 cm to Infinity
8.9 in to Infinity
 
Filter Thread: 52.0mm 55.0mm
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 Clear Image Digital Zoom
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.) Fast Hybrid AF (Phase-detect + Contrast-detect AF): 117 points (phase-detection AF), 25 points (contrast-detection AF); Multi Point (25 points) / Center-weighted / Flexible Spot (S/M/L) / Zone
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type:   EVF: 0.5-inch (1.30cm) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):   0.71x
Viewfinder Magnification (nominal/claimed):   0.71x
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 Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 18.8x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps Auto (100-6400), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600; Low extention to ISO 50; up to 51200 in MFNR mode
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/2000 - 30 sec 1/8000 - 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 1200-zone Evaluative 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. Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step),
Self Timer: 2 or 10 seconds 2 or 10; 3/5 shots after 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit) Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync:   1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Multi Interface Hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.X3F), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: AVI (Motion JPEG) with monaural sound AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Combined USB/AV Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.67
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.79
Buffer size for RAW shooting in single shot mode (frames):   Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.79
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 4.0 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 50
RAW shooting speed in burst mode (fps): 4.0 5.0
Buffer size for RAW shooting in burst mode (frames): 7 28
RAW+JPEG shooting speed in burst mode (fps): 4.0 5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 7 24
Shutter lag (full AF, wide/mid):   0.23 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.132 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.023 seconds
Shutter Lag (notes):   Full AF shutter lag, Multi-area AF mode = 0.230s
Startup Time:   2.1 seconds
Play -> Record Time:   0.7 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 97 shots 340 shots
Battery Life, Still (CIPA Rating OVF/EVF):   270 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-41 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FW50 Lithium-ion rechargeable
Batteries Included: 2 x Proprietary BP-41 Lithium-ion rechargeable 1 x Proprietary NP-FW50 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 Image Data Converter 4, PlayMemories Home
OS Compatibility: Windows, Mac OS Windows Vista/7/8; Mac OS X 10.6 or later. (PlayMemories Home is Windows only.)
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. World's smallest, lightest interchangeable lens full-frame camera (along with Sony A7R); Fast Hybrid AF; Compatible with Sony's E-mount lens system and new full-frame lenses.