• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha DSLR-A850
  • Samsung NX2000
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A850 NX2000
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1999.95 $649.99
Street Price: $2,219.00 $679.99
Date Available: 2009-10-08 2013-05-31
Tripod Mount: Yes Yes
Weight: 30.0 oz (850 g) 8.0 oz (228 g)
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.7 x 2.5 x 1.4 in.
(119 x 65 x 36 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Samsung
Effective Megapixels: 24.6 20.3
Sensor Format: 35mm APS-C
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 5.94 microns 4.29 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 79 75
DxO Color Depth Score (bits): 23.8 23.4
DxO Dynamic Range Score (evs): 12.2 12.3
DxO Maximum Effective ISO Score (iso): 1,415 908
Image Capture
Image Resolution: 6048 x 4032 (24.4 MP, 3:2),
6048 x 3408 (20.6 MP, Other),
4400 x 2936 (12.9 MP, 3:2),
4400 x 2472 (10.9 MP, 16:9),
3984 x 2656 (10.6 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
2896 x 1928 (5.6 MP, 3:2),
3024 x 1704 (5.2 MP, Other),
1984 x 1320 (2.6 MP, 3:2)
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)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (EXIF 2.21), MPO, .SRW 12-bit RAW, RAW+JPEG
Continuous-mode frames/second: 3.0 8.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (30p)
640x480 (30p)
320x240 (30p)
Movie File Format:   MP4 (H.264) with AAC stereo audio
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Samsung NX
Lens: n/a Samsung 20-50mm f/3.5-5.6 II ED NX
Focal Length (35mm equivalent):   30 - 77mm
Focal Length (actual):   20 - 50mm
Zoom Ratio:   2.50x
Aperture Range:   f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range:   28 cm to Infinity
11.0 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 2x i-Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8. Contrast Detection: 21 points (normal), has single-point and 35-point closeup modes; Face Detection: Max. 10 faces; Object Tracking AF; Single AF, Continuous AF, MF, Touch AF & Shutter
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) No / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 98% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter  
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.74x  
Viewfinder Magnification (nominal/claimed): 0.74x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.7
Rear Display Resolution: 921,600 dots 1,152,000 dots (384,000 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 19.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 25600
Minimum ISO (native): 200 100
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto (selectable, up to ISO 3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600 (1 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature from 2,500K to 9,900K, Custom (3) Auto, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 40-segment Honeycomb Pattern, Center-weighted, Spot 221-segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Smart Mode: Beauty Face, Landscape, Macro, Action Freeze, Rich Tone, Panorama, Waterfall, Silhouette, Sunset, Night, Fireworks, Light Trace, Creative Shot, Best Face; Smart Filter: Vignetting, Minature, Colored Pencil, Watercolor, Wash Drawing, Oil Sketch, Ink Sketch, Acryl, Negative, Selective Color (R/G/B/Y 4 Colors); Smart Range+; HDR
Self Timer: 2 or 10 seconds 2-30 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: n/a Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off
Flash Guide Number (ISO 100): n/a 8.0 m / 26.2 ft.
Flash Range Description: n/a Bundled SEF8A flash has GN 8m at ISO 100
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.5EV steps
External Flash Connection: Hot shoe, PC-sync Hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: CF1 / CF2 / MS Duo / MS PRO Duo / Microdrive microSD / microSDHC / microSDXC
UHS Support:   UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) .SRW 12-bit RAW, RAW+JPEG
Movie File Format:   MP4 (H.264) with AAC stereo audio
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC:
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,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Optional wired (SR2NX02) via USB
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50  
Buffer size for RAW shooting in single shot mode (frames): 23  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.0 8.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 23  
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.18 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.154 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.074 seconds  
Shutter Lag (notes):    
Startup Time: 0.5 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   340 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary BP1130
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary BP1130 lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Image Data Converter SR, Image Data Lightbox SR, Remote Camera Control (all Windows & Macintosh), Picture Motion Browser (Windows only). Adobe Lightroom, iLauncher
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows XP SP2 / Vista / 7 / 8, Mac OS 10.5+
Miscellaneous
Notes & Features: Cost reduced Sony A900. Smaller viewfinder (98% vs 100%), slower burst mode (3 fps vs 5), wireless remote not included. 3.7" capacitive touch panel LCD, DRIMe IV engine, 8fps burst mode, Smart Camera 2.0, built-in Wi-Fi (IEEE 802.11b/g/n) and NFC, AutoShare. Bundle includes Adobe Photoshop Lightroom 4, SEF8A flash and 20-50mm f/3.5-5.6 kit lens. Available in white, black or pink.