• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 369.7mm2
  • 14.6 megapixels
  •  
  • Detailed specifications
  • Sony Alpha DSLR-A900
  • Samsung NX100
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Samsung NX200
NX100 vs NX200
General
Model Number: A900 NX100
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $2999.99 $599.99
Street Price:   $798.62
Date Available: 2008-11-15 2010-10-15
Tripod Mount: Yes Yes
Weight: 33.1 oz (939 g)
includes batteries
16.3 oz (463 g)
includes batteries, kit lens
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.7 x 2.8 x 1.4 in.
(121 x 71 x 35 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Samsung
Effective Megapixels: 24.6 14.6
Sensor Format: 35mm APS-C
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.94 microns 5.16 microns
Focal Length Multiplier: 1.0x n/a
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 62
DxO Color Depth Score (bits): 23.7 22.6
DxO Dynamic Range Score (evs): 12.3 10.7
DxO Maximum Effective ISO Score (iso): 1,431 563
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)
4592 x 3056 (14.0 MP, 3:2),
4592 x 2584 (11.9 MP, 16:9),
3872 x 2592 (10.0 MP, Other),
3872 x 2176 (8.4 MP, 16:9),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
1920 x 1280 (2.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1472 x 976 (1.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (EXIF 2.2), RAW (.SRW)
Continuous-mode frames/second: 5.0 2.9
Video Capture
Can take movies: No Yes
Movie Resolution: 1280x720 (30)
640x480 (30)
320x240 (30)
Movie File Format:   H.264 .MP4
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Samsung NX
Lens: n/a Samsung iFunction 20-50mm f/3.5-5.6 ED
Focal Length (35mm equivalent):   31 - 77mm
Focal Length (actual):   20 - 50mm
Zoom Ratio:   2.50x
Aperture Range:   f/3.5 (W) / f/5.6 (T) - f/22
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
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
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) No / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter Optional EVF: 201Kdot (QVGA), 98% coverage, 0.83x magnification, 17mm eyepoint, -4 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.74x 0.55x
Viewfinder Magnification (nominal/claimed): 0.74x 0.83x
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 614,000 dots
Touchscreen: No No
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  
Minimum ISO (native): 200  
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 100 - 3200; expandable to 6400
Auto ISO Mode: Yes No
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature from 2,500K to 9,900K, Custom (3) Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Flash, Custom, K (Manual)
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 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:   SmartAuto, Lens Priority, Beauty shot, Children, Close Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Night, Portrait, Landscape, Sports, Sound Picture
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 n/a
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/250 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV 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 SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) RAW (.SRW)
Movie File Format:   H.264 .MP4
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
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
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type: Wired or wireless  
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Accessory port for optional EVF or GPS module (GPS10)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 1.06
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41 1.05
Buffer size for RAW shooting in single shot mode (frames): 15 6
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.0 2.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11 8
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 0.43 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.153 seconds 0.122 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.072 seconds 0.107 seconds
Shutter Lag (notes):   Full AF Multi-area shutter lag = 0.444s
Startup Time: 0.5 seconds 1.1 seconds
Play -> Record Time: 0.3 seconds 0.7 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   420 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary BP-1310
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary 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).  
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows XP / Vista / 7; Mac OS 10.4 or later
Miscellaneous
Notes & Features: 24.6MP Full-frame CMOS sensor, In-body SteadyShot Image Stabilization, Intelligent Preview, Enhanced DRO, Magnesium-alloy Body, Dust/Moisture Resistance, 100K Shutter, 3 User Programmable Memory Modes, AF Micro-adjustment, Top Mounted LCD, Quick Navigation system, Custom button, PhotoTV HD output via HDMI optimized for Sony Bravia TVs. iFunction lenses allow shutter speed, aperture, EV, WB, and ISO setting changes from lens; Smart Filters, 720p HD movies, 3-inch AMOLED screen, Geo-tagging w/ optional GPS module (GPS10). Available in black and brown.