• APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800
  • 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Samsung NX20
  • Sony Alpha ILCE-A7 II
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A7
A7 vs A7 II
Successor:   Sony A7 III
A7 II vs A7 III
General
Model Number: NX20 A7 II
Alternate Model Number(s):   ILCE-7M2
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1099.99 $1999.99
Street Price: $299.99 $1,398.00
Date Available: 2012-05-05 2014-12-09
Tripod Mount: Yes Yes
Weight: 22.5 oz (637 g)
includes batteries, kit lens
32.8 oz (930 g)
includes batteries, kit lens
Size: 4.8 x 3.5 x 1.6 in.
(122 x 90 x 40 mm)
5.0 x 3.8 x 2.4 in.
(127 x 96 x 60 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung Sony
Effective Megapixels: 20.3 24.3
Sensor Format: APS-C 35mm
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 855.62mm2 (35.80mm x 23.90mm)
Approximate Pixel Pitch: 4.33 microns 5.97 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 75 90
DxO Color Depth Score (bits): 23.4 24.9
DxO Dynamic Range Score (evs): 12.9 13.6
DxO Maximum Effective ISO Score (iso): 785 2,449
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3712 x 2088 (7.8 MP, 16:9),
2640 x 2640 (7.0 MP, 1:1),
2976 x 1984 (5.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1728 x 1152 (2.0 MP, 3:2),
1024 x 1024 (1.0 MP, 1:1)
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 (EXIF 2.21), .SRW 12-bit RAW JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 7.5 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
1920x1080 (60p/​60i/​30p/​24p)
1440x1080 (30p)
640x480 (30p)
Movie File Format: MP4 (H.264) with AAC audio XAVC S / AVCHD 2.0 / MP4; Stereo Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Samsung NX Sony E
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX Sony FE 28-70mm f/3.5-5.6 OSS SEL2870
Focal Length (35mm equivalent): 27 - 84mm 28 - 70mm
Focal Length (actual): 18 - 55mm 28 - 70mm
Zoom Ratio: 3.06x 2.50x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.5-22 (W) / f/5.6-36 (T)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 2x i-Zoom Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 15-point Contrast Detection; has single-point and 35-point closeup modes; Face Detection : Max. 10 faces 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? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED EVF / LCD
Viewfinder Type: EVF type with Eye Contact Sensor; SVGA (800 x 600) TFT-LCD; Coverage: Approx. 100%; Magnification: Approx. 1.04X (APS-C, 50mm, -1m-1), Approx. 0.68X (Equivalent to a 50mm lens on a 35mm camera); Eyepoint: Approx. 18.0mm; Diopter Adjustment: -4.0 to +4.0m- 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: 1,440,000 dots (480,000 pixels) 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.69x 0.71x
Viewfinder Magnification (nominal/claimed): 1.04x 0.71x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 614,400 dots 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom:   18.8x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (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, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust 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: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 221-segment Multi, Center-weighted, 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: Scene: Panorama (Live, 3D), Beauty shot, Night, Landscape, Portrait, Children, Sports, Close-Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Sound Picture, 3D Photo; Smart Filter: Vignetting, Miniature, Fish-Eye, Sketch, De-fog, Halftone Dots, Soft Focus, Old Film1, Old Film2, Negative, Selective Color (4 Color Modes); Magic Frame: Old Album, Old Film, Wave, Full Moon, Old Record, Magazine, Sunny Day, Classic TV, Wall Art, Holiday, Billboard 1, Billboard 2, Newspaper 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: 2-30 sec in 1 sec steps seconds 2 or 10; 3/5 shots after 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. n/a
Flash Range Description: Depends on lens aperture n/a
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Multi Interface Hot shoe
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .SRW 12-bit RAW RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MP4 (H.264) with AAC audio XAVC S / AVCHD 2.0 / MP4; Stereo Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired (SR2NX02) Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and 3.5mm Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.40 0.74
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.32  
Buffer size for RAW shooting in single shot mode (frames): 4  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.79
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 7.5 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11 52
RAW shooting speed in burst mode (fps):   5.0
Buffer size for RAW shooting in burst mode (frames):   28
RAW+JPEG shooting speed in burst mode (fps):   5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   24
Shutter lag (full AF, wide/mid): 0.35 seconds 0.22 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.060 seconds 0.151 seconds
Shutter lag (full AF, with flash): 0.62 seconds  
Shutter Lag (prefocused): 0.044 seconds 0.053 seconds
Shutter Lag (notes): Full AF Shutter Lag, Wide Area mode = 0.650s Full AF lag with electronic first curtain disabled (enabled is the default) = 0.359 second
Startup Time: 3.0 seconds 1.7 seconds
Play -> Record Time: 0.9 seconds 1.0 seconds
Flash cycle time, full power: 3.6 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 360 shots 350 shots
Battery Life, Still (CIPA Rating OVF/EVF):   270 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP1310 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FW50 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP1310 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: No
Internal Charging Supported: Yes
Software
Included Software: intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader  
OS Compatibility: Windows, Mac OS (except intelli-studio)  
Miscellaneous
Notes & Features: Built-in Wi-Fi (IEEE 802.11b/g/n support, Mobile Link, Remote Viewfinder, Social Sharing, Email, Cloud , Auto Backup, TV Link, Wi-Fi Direct), supports geotagging w/ optional WGS84 GPS Module. In-body 5-axis sensor-shift image stabilization (up to 4.5 stops of corrections), White Magic tilting LCD (170 degrees up, 41 degrees down), XAVC S, AVCHD 2.0 & MP4 videos, S-Log2 and S-Gamut, improved grip and shutter button, stronger lens mount, optional VG-C2EM battery grip.