| 35mm full frame 24.6MP Exmor CMOS image
sensor : The A850 features a 35mm full frame Exmor CMOS image
sensor that is approximately 2.35x larger than the APS-C sized
sensors found in many DSLR cameras. |
| Ultra bright, 98% coverage glass pentaprism
viewfinder: A large, ultra bright glass pentaprism viewfinder
provides you with amazing clarity and high optical performance for
tighter focus control. |
| PhotoTV HD viewing w/ HDMI output: The a850
provides direct HDMI output to your BRAVIA HDTV and other
compatible HDTV screens, so you can view and share photos in
breathtaking clarity and detail |
| Moisture/dust-resistant design: Sealed
viewfinder optics and rubber gasket surrounds on all buttons,
dials and switches help resist the entry of dust and moisture into
the camera and allow for safe use in a wide range of environments. |
| Durable Shutter Design: The shutter
mechanism in the A900 is designed to achieve shutter speeds up to
1/8000 seconds and proven for 100,000 cycle operation. |
| Dynamic Range Optimizer: To recover details
in dark or bright areas of the image, the A900 provides multiple
levels of Dynamic Range Optimization |
| F2.8 Sensor: The autofocus system in the
a850 features a highly accurate F2.8 sensor for improved focus
precision when using lenses faster than F2.8 |
| Viewfinder magnification of 0.74x:
Viewfinder magnification of 0.74x lets you see your subjects
nearer to actual size. |
| Optional Focusing Screens (sold separately):
User-replaceable focusing screens for shooting specific subject
types can be purchased as optional accessories. |
| Rubberized Grip: Sony drew upon its
extensive experience designing and building heavy professional
broadcasting camcorders to develop a rubberized grip that allows
you to hold the a850 with comfort and confidence. |
| Picture Motion Browser (PMB) Software: Sony
Picture Motion Browser (PMB) software provides a simple and
intuitive way to sort and archive your image collection, as well
as perform common editing operations and output to data disc or
the Web. |
| SteadyShot INSIDE in-camera image
stabilization: Building on years of expertise, Sony has developed
the world's first body-integrated image stabilization solution for
a full frame DSLR. |
| Intelligent Preview Function: The
Intelligent Preview function allows you to see the effects of
manual adjustments to exposure value, shutter speed, aperture,
Dynamic Range Optimizer and White Balance before you take the shot |
| Precise and fast 9-point AF system w/ 10
point assist: A high-performance autofocus system uses 9 focus
points (center dual-cross type) and 10 assist points to deliver
fast and precise focusing. |
| Anti-Dust Technology: The Sony a; (alpha)
DSLR-A900 utilizes both static-free anti-dust coating on the
imager's filter and anti-dust vibration that automatically shakes
the sensor to dislodge dust each time the camera is shut off |
| Dual Card Slots: The A900 features a dual
card slots and accepts both CompactFlash and Memory Stick Duo
Media (sold separately). |
| On-Chip Column A/D Conversion:
Analog-to-digital signal conversion is performed by the full frame
Exmor CMOS image sensor. |
| Updated Image Data Converter SR3: Updated
Image Data Converter SR3 software improves your workflow with
faster RAW file processing and improved image correction. |
| Eyepiece Shutter: The a850 includes a
built-in eyepiece shutter which can be shut to help shield against
entering light and prevent exposure errors. |
| Mirror Lockup Mode: Mirror Lockup Mode
raises the main mirror before exposure to reduce vibration at
shutter release, resulting in better performance during long
exposure shots of fireworks, stars, etc. |
| Image Data Lightbox software: The Image Data
Lightbox software included with your Sony a DSLR helps you browse,
rate and compare your images, making it easier to select your
favorites for further processing. |
| Convenient Button Placement: Concentrate on
your shooting and make adjustments on the fly thanks to convenient
button placement. The ISO and White Balance adjustment buttons are
located on the top of the camera body near the shutter button for
easy thumb operation. |
| Dual BIONZ processors for up to fast 3fps
performance: The a harnesses the power of Dual BIONZ image
processing engines to deliver true-to-life images with ultra-low
noise and continuous shooting at up to 3 fps. |
| Rugged magnesium alloy shell: The body of
the A900 is entirely covered in a die-cast magnesium alloy shell,
providing a rugged feel and surprisingly lightweight. |
| Battery Performance: A supplied InfoLITHIUM
lithium-ion battery provides long-lasting performance, allowing
you to capture approximately 880 images on a single charge. |
| Anti-dust function |
Charge protection coating on low pass filter
and image-sensor shift mechanism |
| BRAVIA Sync |
Yes, via HDMI with compatible BRAVIA HDTV |
| Burst Mode |
3 fps max |
| Creative Style |
Standard, Vivid, Neutral, Clear, Deep, Light,
Portrait, Landscape, Sunset, Night, Autumn, B/W, Sepia |
| Self Timer |
Yes (10 seconds, 2 seconds with mirror-up
function) |
| User Interface |
Easy-to-read Graphic Display and on-screen Help
Guide User-friendly function menu |
| BIONZ Engine |
Dual BIONZ processors |
| AF modes |
Single-shot AF, Automatic AF, Continuous AF,
(AF/MF selectable) |
| Drive Mode |
Single-shot, Cont., Self-timer, Bracket;
single/cont./WB/DRO adv., Mirror Lock-up, Remote Commander |
| Exposure Compensation |
±3.0 EV, 1/3EV,1/2EV steps selectable |
| Exposure settings |
Auto, Program Auto (A) (with Program Shift),
Shutter priority (S), Aperture priority (A), Manual (M) |
| Focus Area |
Wide (Auto, up to 9 areas), Spot, Local (9
local areas selectable) |
| Focus Points |
9 points + 10 assist focus points (local areas,
selection with the multi-selector) |
| Focus Sensitivity |
0 EV to +18 EV(at ISO100 equivalent) |
| Focus System |
TTL phase detection system |
| ISO |
Auto, selectable 100 to 6400 (in 1/3 EV steps) |
| Metering |
TTL metering w/ 40-segment honeycomb-pattern
SPC |
| Metering Modes |
Multi-segment, Center-weighted, Spot, Auto
Exposure Lock (AEL button) |
| Metering Sensitivity |
0 EV to 20 EV (+2 EV to +20EV with Spot
metering), (at ISO 100 equivalent with F1.4 lens) |
| White Balance |
Auto, Daylight, Shade, Cloudy, Tungsten,
Fluorescent, Flash, Custom |
| Diopter Adjustment |
-1m -1 |
| Eye relief |
Approx. 20 mm from the eyepiece |
| Field of View |
98% |
| Focusing Screen |
Spherical Acute Matte Screen |
| Magnification |
0.74x ,(with 50mm lens at infinity) |
| Viewfinder Type |
Fixed eye-level system with optical glass
pentaprism |
| Operating Temperature |
32 - 104 degrees F (0 - 40 degrees C) |
| Flash Compensation |
±3 EV (in 1/3EV, 1/2EV steps selectable) |
| Flash Metering System |
ADI flash (automatic change for Pre-flash TTL) |
| Modes |
Auto, Fill-flash, Rear sync, Wireless (with
Flash HVL-F58AM, HVL-F42AM, HVL-F56AM, F36AM) |
| Flash Type |
No pop-up flash. Hot shoe compatible with Sony
a system flash. |
| HD Output |
Yes (w/ optional HDMI cable) |
| Memory Card Slot |
Dual memory card slot: Memory Stick PRO Duo
media Compact Flash memory card |
| Tripod Mount |
Yes, 1/4"-20 |
| USB Port(s) |
Yes, Supports USB 2.0 Hi-speed |
| Camera Type |
Sony a Digital 35mm SLR full-frame camera w/
pentaprism viewfinder and inter-changeable lenses |
| Color Filter System |
RGB primary color filters |
| Effective Picture Resolution |
Approx. 24.6 megapixels |
| Imaging Sensor |
35mm Full-frame Exmor CMOS sensor |
| Lens Mount Type |
Sony a lens, Minolta and Konica Minolta AF lens |
| Pixel Gross |
Approx. 25,7 megapixels |
| Processor |
Dual BIONZ image processors |
| Recording Media Type |
Memory Stick PRO Duo media / Compact Flash Type
I, Type II (Microdrive),UDMA(Mode5) compliant |
| Recording Mode |
cRAW+JPEG(Fine), RAW+JPEG(Fine),
cRAW(compressed), RAW, JPEG Extra fine, JPEG Fine, JPEG Standard |
| Still Actual 169 |
L size: 6048 x 3408 (21M) M size: 4400 x 2472
(11M) S size: 3024 x 1704 (5.2M) |
| Still Actual 32 |
L size:6048 x 4032 (24.6M) M size: 4400 x 2936
(13M) S size: 3024 x 2016 (6.1M) |
| Brightness Control |
±5 steps manual |
| Coverage |
100% (Playback) |
| LCD Display Type |
3" TFT Xtra Fine LCD (921,600 pixels) |
| Operating System
Compatibility |
Windows 2000 Professional SP4 Windows XP SP3
Windows Vista SP1 Mac OS X(v10.1.3-v10.5) |
| Supplied Software |
Image Data Converter SR3.1 (Windows &
Macintosh) Image Data Lightbox SR2.1 (Windows & Macintosh)
Remote Camera Control 2.0 (Windows & Macintosh) PMB -Picture
Motion Browser 4.2.13 (Windows only) |
| Battery Capacity |
7.2V, CIPA standard: approx. 880 pictures |
| Battery Type |
NP-FM500H Lithium-ion rechargeable battery |
| Number of Shots |
Approx. 880 shots (CIPA standard) |
| Dimensions (Approx.) |
(WxHxD) 6-1/8" x 4-5/8" x 3-1/4"
(156.3 x 116.9 x 81.9mm) (excl. protrusions) |
| Weight (Approx.) |
Approx. 1lb-14oz (850g) without battery, memory
card, accessories |
| Warranty |
Sony 1 year parts and labor limited warranty |