• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A850
  • Olympus Stylus XZ-2
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A850 XZ-2
Alternate Model Number(s):    
Camera Format: Pro SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $1999.95 $599.99
Street Price: $2,219.00 $469.95
Date Available: 2009-10-08 2012-11-15
Tripod Mount: Yes Yes
Weight: 30.0 oz (850 g) 12.6 oz (357 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
4.4 x 2.6 x 1.9 in.
(113 x 65 x 48 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.6 12.0
Sensor Format: 35mm 1/1.7 inch
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 5.94 microns 1.92 microns
Focal Length Multiplier: 1.0x n/a
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 79 49
DxO Color Depth Score (bits): 23.8 20.4
DxO Dynamic Range Score (evs): 12.2 11.3
DxO Maximum Effective ISO Score (iso): 1,415 216
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)
3968 x 2976 (11.8 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG, 12-bit RAW
Continuous-mode frames/second: 3.0 5.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p)
Movie File Format:   .MOV (MPEG-4 AVC / H.264), Linear PCM, 16-bit, 48kHz stereo audio
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) n/a
Lens: n/a i.Zuiko Digital ED; 11 elements in 8 groups
Focal Length (35mm equivalent):   28 - 112mm
Focal Length (actual):   6 - 24mm
Zoom Ratio:   4.00x
Aperture Range:   f/1.8 (W) / f/2.5 (T) - f/8
Integrated ND Filter: No Yes
Normal Focus Range:   60 cm to Infinity
23.6 in to Infinity
Macro Focus Range:   1 - 60 cm
0.4 - 23.6 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
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: 35-area multiple AF (All target, Group target area (9-area), Single target)
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 Optional VF-2 or VF-3 external EVF
Focus Peaking: No No
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 3.0
Rear Display Resolution: 921,600 dots 920,000 dots (307,200 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 19.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 12800
Minimum ISO (native): 200 100
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 AUTO ISO 100 - 12800 (customizable, Default 100-1600) Manual ISO 100 - 12800, 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, Lamp, Fluorescent 1, Fluorescent 2, Daylight, Cloudy, Shade, Underwater Auto, One-Touch
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 60 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 324-zone Digital ESP, Center-weighted Average, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Scene (Portrait, e-Portrait, Landscape, Sport, Night, Night + Portrait,Sunset, Documents, Panorama, Fireworks, Multiple Exposure, Beach & Snow, Underwater - Wide, Underwater - Macro), HDR , 11 Art Filters and 5 Art Effects
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a Auto, Red-eye reduction, Red-eye reduction slow sync., Slow sync at 1st curtain, Slow sync at 2nd curtain, Fill-in, Off.
Flash Guide Number (ISO 100): n/a 5.2
Flash Range Description: n/a ISO 1600: W:0.6 to 11.1m / T:0.6 to 8.5m
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: CF1 / CF2 / MS Duo / MS PRO Duo / Microdrive SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) 12-bit RAW
Movie File Format:   .MOV (MPEG-4 AVC / H.264), Linear PCM, 16-bit, 48kHz stereo audio
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
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 Yes
Remote Control Type: Optional wired or wireless Optional RM-UC1 Remote cable
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack Dedicated Multi-connector (USB/AV/Remote); Micro HDMI Type-D, Accessory Port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 1.21
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.50 1.27
Buffer size for RAW shooting in single shot mode (frames): 23 7
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.62
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.0 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 23 4
RAW shooting speed in burst mode (fps):   5.0
Buffer size for RAW shooting in burst mode (frames):   3
RAW+JPEG shooting speed in burst mode (fps):   4.9
Buffer Size for RAW+JPEG shooting in burst mode (frames):   3
Shutter lag (full AF, wide/mid): 0.18 seconds 0.12 seconds
Shutter lag (full AF, tele):   0.11 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.154 seconds 0.069 seconds
Shutter lag (full AF, with flash):   0.18 seconds
Shutter Lag (prefocused): 0.074 seconds 0.033 seconds
Shutter Lag (notes):    
Startup Time: 0.5 seconds 1.8 seconds
Play -> Record Time: 0.3 seconds 1.4 seconds
Flash cycle time, full power:   3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   310 shots
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary Li-90B
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary Li-90B 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: Image Data Converter SR, Image Data Lightbox SR, Remote Camera Control (all Windows & Macintosh), Picture Motion Browser (Windows only). OLYMPUS [ib] software CD-ROM
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+)  
Miscellaneous
Notes & Features: Cost reduced Sony A900. Smaller viewfinder (98% vs 100%), slower burst mode (3 fps vs 5), wireless remote not included. 3-inch 920K-dot tilting touchscreen LCD, Full HD movies, hybrid control ring, HDR backlit correction, 11 Art Filters and 5 Art Effects, FlashAir compatible, removable grip, accessory port. Body available in black only.