Sony Alpha A55 digital camera
Alpha A55
at a glance
4912 x 3264
3.0" lcd viewer
MS PRO (HG) duo, SD, SDHC
NP-FM500H Li-ion
Sony Alpha A55 review summary
camera date Aug 10  
pixels / class 16.7M  SLR digital camera
overall rating not rated overall camera rating  12 reviews
image quality not rated image quality rating  
ease of use not rated usability rating  
camera body not rated camera body rating  
digital features not rated digital features rating  
photogr. ctrls not rated photographic controls rating  
user profile user profile: digital photography not specified yet
comments  
Sony Alpha A55 specifications
lens / zoom  Sony Alpha, Minolta A
focus / macro  auto | manual
metering mode  40 segment, center weighted, spot
aperture  auto | manual
white balance  auto, 6 presets, color temperature, custom
shutter  auto | manual / 30s - 1/4000s, B
exposure  +/- 2.0 EV in 1/3 EV steps
flash / mode  hot shoe; pop-up - 6 modes / GN 12 (iso 100, meters)
viewfinder  ttl electronic
iso ratings  200 - 12800 in 1EV steps, 25600 in Multi-Frame NR Mode
image size  4912x3264, 3568x2368, 2448x1624
image format  raw, jpeg
image compr.  fine, standard
lag/cycle times  
remote control  self timer 10s, 2s
video options  AVCHD / MP4, with audio - 1920x1080 (60fps, 30fps); 1440x1080, 640x480 (30fps)
audio options  
connectivity  usb 2 HS; hdmi mini
storage  MS PRO (HG) duo, SD, SDHC
platform  
extra features  imager size 23.4mm x 15.6mm
histogram display
live view
PictBridge compatible
anti dust system
sensor shift image stabilization
tiltable lcd screen
Sony Alpha A55 links
Reviews for shutterbugs and professionals
11May11 Sony Alpha 55 review at PhotographyReview
17Feb11 Sony Alpha 55 review at PhotographyBLOG
02Feb11 Sony Alpha 55V review at digitalkamera (de)
22Nov10 Sony Alpha 55 DSLR review at dkamera (de)
04Nov10 Sony Alpha 55 DSLR review at DCResource
21Sep10 Sony a55 and a33 field test report at pixiq.com
07Sep10 Sony DSLR Alpha 55 review at PhotoReview
24Aug10 Sony SLT Alpha A55 In-depth review at dpreview
Introductions, previews and other reviews
21Feb11 Sony Alpha 580 vs. Alpha 55 at dkamera (de)
12Nov10 Sony  Alpha 55 DSLR at  digicam-beratung (de)
28Oct10 Sony Alpha 33 and 55 Lab Test at PopPhoto.com
13Sep10 Sony Alpha A55 at Luminous-landscape - update
News, guides, hints & tips
24Aug10 Sony SLT Alpha A55 press information
Forum discussions
dpreview.com Sony Talk Forum
imaging-resource.com  Sony Forum
steves-digicams.com Sony Forum
Who can help me with this camera 
 

Sony Alpha A55 announcement clippings


The Sony SLT-A55 is equipped with a translucent mirror, which enables light passing through the lens to be simultaneously received by the image sensor and the auto focus sensor, allowing continuous shooting and continuous focusing at speeds never before possible.  The A55 offers the world's fastest 10 fps high-speed burst shooting with continuous AF (TTL phase-detection) in an interchangeable-lens digital camera with APS-C sensor.

Because of its structure, the Translucent Mirror Technology™ does away with the motion of raising and lowering the mirror.  The absence of the moving mirror mechanism contributes to making the whole body size significantly compact compared to traditional DSLR cameras.

By eliminating the need to raise and lower the mirror between shots, the technology makes it possible to achieve focusing while images are captured. Existing systems can only focus in the interval between image capture, limiting the ability to track fast moving subjects.  The cameras also have continuous Advance Priority AE Mode and will automatically adjust for the best exposure to help you get the most professional looking results.


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