Sony A850 Review

November 19, 2010 | Mark Goldstein |


Lens Mount
Sony α mount YES
Compatibility with A-Mount bayonet lenses from Minolta and Konica Minolta YES
Lens Compatibility
All types of Sony α lenses YES (DT lens compatibility is not guaranteed)
Minolta & Konica Minolta α/MAXXUM/DYNAX lenses YES (DT lens compatibility is not guaranteed)
Image Sensory
Image sensor type Exmor CMOS sensor
Image sensor colour filter R, G, B, Primary color
Size (mm) 35.9 x 24
Total sensor Pixels (megapixels) Approx. 25.7
Effective Pixels (megapixels) Approx. 24.6
Automatic White Balance YES
White balance: preset selection Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash
White balance: custom setting YES
White balance: types of color temperature 2500 - 9900 k with 19-step Magenta / Green compensation
White balance bracketing 3 frames, Selectable 2 steps
ISO Sensitivity Setting ISO200 - 3200 equivalent, ISO numbers up from ISO100 to ISO6400 can be set as expanded ISO range
SteadyShot INSIDE
System: Sensor-shift mechanism YES
SteadyShot INSIDE scale (in viewfinder) YES
Camera-Shake warning (in viewfinder) YES
SteadyShot INSIDE capability Approx. 2.5 EV - 4 EV decrease in shutter speed (varies according to shooting conditions and lens used)
SteadyShot INSIDE compatibility All Sony DSLR lenses and A-Mount bayonet lenses from Minolta and Konica Minolta
*SteadyShot INSIDE was previously known as Super SteadyShot  
Double anti dust system (anti-static coating and sensor shift mechanism) YES
Auto Focus System
TTL phase-detection system YES
Sensor 9 points with centre dual-cross sensor + 10 assist focus points
Sensitivity Range (at ISO 100 equivalent); EV 0 - 18
Eye Start AF System (on off selectable) NO
AF Area: Wide focus area YES (auto with 9 areas)
AF Area: Spot YES (center dual-cross sensor)
AF Area: Local focus area selection YES (9 local areas)
AF Modes Continuous, Single Shot, Automatic, Manual Focus, Direct Manual Focus
Predictive Focus Control YES (with moving subjects in AF-A and AF-C)
Focus Lock YES
AF Illuminator YES (with built-in LED)
AF Illuminator range (meters) Approx. 1 - 7
Auto Exposure System
Light metering type TTL
Light metering cell 40-segment honeycomb-pattern SPC
Light metering: Multi segment YES
Light metering: Spot YES
Light metering: Center weighted YES
Exposure: Automatic YES
Exposure: Program Auto YES (with Program Shift)
Exposure: Shutter priority YES
Exposure: Aperture priority YES
Exposure: Manual YES
Exposure: Scene selection NO
Exposure compensation YES (+/-3.0 EV, 0.3 EV, 0.5 EV steps selectable)
AE Bracketing 0.3 EV / 0.5 EV / 0.7 EV / 2.0 EV increments, 3/5 frames selectable (2.0 EV only 3 frames)
Type Electronically-controlled, vertical-traverse, focal-plane type
Shutter Speed Range (seconds) 1/8000 - 30 and bulb
Flash Sync Speed (With Steady Shoot Off); second 1/250
Flash Sync Speed (With Steady Shoot On); second 1/200
Built-in-Flash Guide Number (in meters at ISO 100) NO
Flash Metering System ADI / Pre-flash TTL flash metering
Flash Compensation +/-3.0 EV (0.3 EV, 0.5 EV steps selectable)
Built-in-Flash Recycling Time (approx. time in seconds) NO
Flash Mode Autoflash, Fill-flash, Rear flash sync. High Speed sync. with optional compatible accessory flash
Wireless flash mode YES (only with optional accessory)
Slow Synchronization YES
Red-Eye Reduction NO
Flash Popup NO
Automatic Flash YES (with AUTO mode)
Type Fixed eye-level system with optical glass type pentaprism
Focusing Screen Spherical acute matte screen
Field of View (%) Approx. 98
Magnification (with 50mm lens at infinity) 0.74x
Eye Relief Approx. 20mm from the eyepiece lens
Diopter Adjustment -3.0 to +1.0 diopter
Live View
Type NO
Other NO
LCD screen
Screen Size 3
Monitor Type Xtra Fine LCD
LCD Total Dot Number 921.600
LCD on/off YES
Brightness adjustable YES
Tilting screen NO
Drive Mode Single, Continuous, 10sec. / 2sec. Self-timer, Single AE bracketing, Continuous AE bracketing, White Balance Bracketing, DRO Advanced Bracketing, Mirror lock up, Remote commander
Continuous-Advance Rate (approx. frames per second at maximum) Max. 3 fps
Number of Continuous Advance JPEG (L size, Fine): 384 images, RAW: 16 images, RAW+JPEG: 12 images
Recording Media Compact Flash Type I / II / MicroDrive slot. Memory Stick™ Duo / MS Pro Duo and MS-PRO HG Duo
Recording Format JPEG, RAW, RAW+JPEG, 16:9 selectable
RAW (pixels) 6048 x 4032
Image Size L - JPEG (pixels) 6048 x 4032 (24M)
Image Size M (pixels) 4400 x 2936 (13M)
Image Size S (pixels) 3024 x 2016 (6.1M)
Still Image quality RAW, cRAW, RAW+JPEG, cRAW+JPEG, Extra fine(JPEG), Fine(JPEG), Standard(JPEG)
Noise Reduction (Long exp.NR) On/Off, available at shutter speeds longer than 1 second
Noise Reduction (High ISO NR) High/Normal/Low/Off, available at the ISO set to 1600 or above
Delete Function Single, multiple, or all frames in a folder
Color Space (sRGB) YES
Color Space (Adobe RGB) YES
Color mode/DEC/Creative styles Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night view, Autumn leaves, B/W, Sepia
Dynamic Range Optimizer Off, Standard / Advanced: Auto / Advanced: Level
Date/Time Print With PictBridge™
Information Display YES
White/Black Out Alert YES
Index Playback YES (25, 9, 4 or 5 last frames filmstrip)
Enlarge (Maximum magnification) L size: 19x, M size: 14x, S size: 9.4x
Image Rotation YES
Auto Image Rotation YES
Battery Remaining Indicator YES
InfoLITHIUM Battery Indicator YES (in %)
Histogram Indicator YES
Exif 2.21
Exif Print YES
PictBridge YES
Menu Language English / French / German / Spanish / Italian / Portuguese / Dutch / Russian / Swedish / Danish / Norwegian / Finnish / Polish / Czech / Hungarian
Zone Matching YES
Depth-of-Field Preview YES
PRINT Image Matching III YES
Remote Release Terminal YES
IR Remote Control YES (with RMT-DSLR1)
DPOF(Digital Print Order Format) YES
Indicator of remaining memory space (CF) YES
Beep Sound On/Off selectable
File Number Memory On/Off selectable
Folder Name Mode Standard and Date
Operating Temperature (degrees C) 0 - 40
Video Out YES (PAL or NTSC)
HD/HDMI™ Out HDMI™ mini connector, 1080i/720p/SD selectable (optional HDMI™ cable necessary)
USB 2.0 Hi-Speed YES
USB Mode Mass Storage (Multi LUN compliant) / PTP / PC Remote Control
Battery System NP-FM500H
Supplied Battery NP-FM500H
Stamina (battery life in CIPA condition) Approx. 880 images
Weight (g) Approx. 850
Width (mm) 156.3
Height (mm) 116.9
Depth (mm) 81.9