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Sony Alpha DSLR-A850 review
Packed with innovative features to get the best shot, the rugged Sony ?850
DSLR camera features a 35mm full frame 24.6 megapixel Exmor™ CMOS image
sensor that provides a larger capture area, improved wide angle
performance, and tighter depth of field control. The ?850 also
incorporates SteadyShot INSIDE™ in-camera image stabilizer which actually
shifts the image sensor to compensate for camera shake without sacrificing
image quality. Additional features include Dual BIONZ™ imaging processors
for continuous shooting at up to 3 fps, an ultra-bright glass pentaprism
viewfinder, 3.0" Xtra Fine LCD™ display and HDMI™ output.
Dual BIONZ™ processors for up to fast 3fps performance: The ? 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.
3.0” Xtra Fine™ LCD 4 (921K pixels) Review your images in stunning
detail on the 3.0” Xtra Fine™ LCD 4 display (921k pixels). With
photo-quality resolution of 270ppi (pixels per inch), you can identify any
necessary focus or exposure corrections at the time of capture, rather than
discovering them when you transfer your images to your PC.
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 7 .
40-Segment Multi-Pattern Metering A 40-segment multi-pattern metering
system provides superior exposure control accuracy in a wide range of
lighting conditions.
Dual Noise Reduction Processing In addition to digitizing analog signals,
the full frame Exmor™ CMOS image sensor also performs both analog and
digital noise reduction. This on-chip dual noise reduction process aids in
the high speed transfer of noiseless digital signals.
APS-C Size Capturing In addition to full frame image capture, the ?850 can
also crop images to the APS-C size format, allowing the use of lenses
designed specifically for APS-C sized image sensors.
AF Micro Adjustment AF Micro Adjustment allows you to fine tune focus for
various lenses. The ?850 can store adjusted focus values for up to thirty
lenses.
2EV Exposure Bracketing (3 exposures) The ?850 allows you to bracket up to
three exposures in 2.0EV-step increments.
Remote Camera Control Remote Camera Control allows you to control your ?850
from your PC.
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. The result is a
larger capture area, improved wide angle performance, and tighter depth of
field control. In addition, its 24.6MP resolution maximizes the resolving
power of your existing lenses and delivers sharper, higher contrast photos.
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. In addition, it offers
viewfinder magnification of 0.74x, allowing you to see an image nearer to
its actual size, as well as 98% field coverage for detailed framing work.
PhotoTV HD viewing w/ HDMI™ output The ?850 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 Additionally,
PhotoTV HD capable BRAVIA ® HDTVs will automatically optimize display
settings, such as sharpness, gradation, and color to display your images in
a way that more closely matches the natural look of printed photographs
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:
Standard mode, to improve shadow detail using standard gamma curves;
Advanced Auto mode, allowing you to select any of 5 DRO correction levels,
or DRO Advanced Bracketing, which automatically takes three shots at
different DRO levels with a single shutter press.
F2.8 Sensor The autofocus system in the ?850 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 ?850 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 1 . The SteadyShot INSIDE™
in-camera image stabilizer actually shifts the image sensor to compensate
for camera shake without sacrificing image quality. The compensation effect
is equal to as many as four shutter speed steps, giving you more creative
freedom when shooting in low light. And, because it is integrated into the
camera body, SteadyShot INSIDE technology works with all compatible ?
system lenses.
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, so you can determine the optimum settings before you take the shot,
instead of losing time to trial-and-error.
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 Changing lenses in a DSLR can allow dust to enter the
camera — so to help keep the CMOS imager cleaner for better pictures,
the Sony® ?; (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 ?850 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 ® ? 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.
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