• APS-C 369.0mm2
  • 28.2 megapixels
  • ISO 100 - 25,600
  • 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102,400
  • Detailed specifications
  • Samsung NX1
  • Sony Alpha ILCE-A7S II
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A7S III
A7S III vs A7S II
Successor:    
General
Model Number: NX1 A7S II
Alternate Model Number(s):   ILCE-7SM2
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $2799.99 $2999.99
Street Price: $1,797.00 $2,398.00
Date Available: 2014-11-28 2015-10-15
Tripod Mount: Yes Yes
Weight: 45.5 oz (1,290 g)
includes batteries, kit lens
22.1 oz (627 g)
includes batteries
Size: 5.5 x 4.0 x 2.6 in.
(139 x 102 x 66 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: 28.2 12.2
Sensor Format: APS-C 35mm
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 3.63 microns 8.40 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 83 85
DxO Color Depth Score (bits): 24.2 23.6
DxO Dynamic Range Score (evs): 13.2 13.3
DxO Maximum Effective ISO Score (iso): 1,363 2,993
Image Capture
Image Resolution: 6480 x 4320 (28.0 MP, 3:2),
4560 x 3040 (13.9 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2112 x 1408 (3.0 MP, 3:2),
6480 x 3648 (23.6 MP, 16:9),
4608 x 2592 (11.9 MP, 16:9),
3328 x 1872 (6.2 MP, 16:9),
2048 x 1152 (2.4 MP, 16:9),
4320 x 4320 (18.7 MP, 1:1),
3088 x 3088 (9.5 MP, 1:1),
2160 x 2160 (4.7 MP, 1:1),
1408 x 1408 (2.0 MP, 1:1)
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 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, MPO, RAW (.SRW), RAW+JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 15.2 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 4096x2160 (24p)
3840x2160 (30p/​24p)
1920x1080 (60p/​30p/​24p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
1920x1080 (120p)
1280x720 (120p)
640x480 (120p)
3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​60i/​50p/​50i/​30p/​25p/​24p)
1280x720 (30p/​25p)
1920x1080 (120p/​100p)
Movie File Format: MP4 (Video: HEVC (H.265) / Sound: AAC) XAVC-S, AVCHD 2.0, MP4 with stereo sound
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Samsung NX Sony E
Lens: Samsung 16-50mm f/2-2.8 S ED OIS NX n/a
Focal Length (35mm equivalent): 25 - 77mm  
Focal Length (actual): 16 - 50mm  
Zoom Ratio: 3.13x  
Aperture Range: f/2.0 - 22 (W), f/2.8 - 22 (T); 9-blade (rounded) aperture  
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 72.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 2x Intelli-Zoom Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid contrast/phase-detect AF: 205-point PDAF (153 cross-point type) + 209-point CDAF 169-point contrast-detect AF: Wide (169 points), Center, Flexible Spot (S/M/L), Zone, Expand Flexible Spot, Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expand Flexible Spot)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED EVF / LCD
Viewfinder Type: OLED EVF with eye sensor; XGA (1024x768) 2,359K dots; 100% Field of view; 1.04x Magnification (50mm eq. lens); 21.0mm eyepoint; -4 to +2 diopter EVF: 0.51-inch 2.4M-dot XGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, 23mm eyepoint from the eyepiece lens, 18.5 mm from the eyepiece frame at -1m-1 (CIPA standard)
Focus Peaking: Yes Yes
EVF Resolution: 2,359,296 dots (786,432 pixels) 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.69x 0.78x
Viewfinder Magnification (nominal/claimed): 1.04x 0.78x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,228,800 dots (307,200 px)
Touchscreen: Yes No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   13.3x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 25600 102400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 25600 (1 or 1/3EV steps); 51200 (extended) Auto, 100 - 102,400, expandable to 50 - 409,600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Auto+Tungsten, Flash, Custom, K (Manual); Micro Adjustment each 7 steps in Amber/Blue and Green/Magenta axes Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi (221 segments), 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: Action Freeze, Beauty Face, Fireworks, Landscape, Light Trace, Multi-Exposure, Night, Panorama (Live), Rich Tone (HDR), Samsung Auto Shutter, Silhouette, Sunset, Waterfall; Smart Range+, HDR (Auto) Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Movie / High Frame Rate; Picture Effect: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), High Contrast Monochrome, Toy Camera, Soft Highkey, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range: Auto Exposure Difference, Exposure Difference Level (1.0-6.0 EV, 1.0 EV step)
Self Timer: 2-30 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): Yes  
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: Lens dependent; GN=11 (ISO 100, m) n/a
Max Flash Sync: 1/250 1/250
Flash Exposure Compensation: +/- 3.0 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: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: UHS-II UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.SRW), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MP4 (Video: HEVC (H.265) / Sound: AAC) XAVC-S, AVCHD 2.0, MP4 with stereo sound
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes Yes
Bluetooth: Yes No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Wi-Fi live view; optional wired Yes, via USB or Wi-Fi
Connections (extended): Wi-Fi (IEEE 802.11b/g/n/ac) with NFC; Bluetooth; Expansion port for grip; Mult-function USB port compatible with wired remote Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.41 0.56
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.42 0.60
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 15.2 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 53 63
RAW shooting speed in burst mode (fps): 15.1 5.0
Buffer size for RAW shooting in burst mode (frames): 22 28
RAW+JPEG shooting speed in burst mode (fps): 15.2 5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 20 25
Shutter lag (full AF, wide/mid): 0.20 seconds 0.19 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.079 seconds 0.111 seconds
Shutter lag (full AF, with flash): 0.29 seconds  
Shutter Lag (prefocused): 0.055 seconds 0.021 seconds
Shutter Lag (notes): Full AF lag, Single-area AF mode, EFC shutter enabled = 0.202s  
Startup Time: 0.7 seconds 2.9 seconds
Play -> Record Time: 0.7 seconds 1.1 seconds
Flash cycle time, full power: 3.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 500 shots 370 shots
Battery Life, Still (CIPA Rating OVF/EVF): 500 shots 310 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-1900 Proprietary NP-FW50
Usable Battery Types: 1410mAh Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 2 x Proprietary BP-1900 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 Yes
Internal Charging Supported: Yes Yes
Software
Included Software: i-Launcher (web version), Power Media Player, Samsung Movie Converter, Samsung Raw Converter, Samsung DNG Converter, Adobe Photoshop Lightroom 5 Capture One Express (for Sony) free download
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: Available body-only, bundled with 16-50 f/3.5-5.6 PZ OIS lens, or bundled with 16-50mm f/2-2.8 S OIS lens with battery grip, dedicated battery charger and second battery. 5-axis sensor-shift image stabilization system, larger 0.78x EVF, internal 4K recording, S-Gamut3.Cine/S-Log3 and S-Gamut3/S-Log3 support, 120p Full HD slo-mo video, enhanced Zebra function, new Gamma Display Assist function, clean HDMI output