LCD and Viewfinder
Sony A55 has a Fully Articulated 3" LCD screen with a resolution of 921k dots. Both the screen size and the screen resolution is up to the standards of this class.
For those of you who loves shooting selfies, self or group photos, Sony A55 will make your life easier with its Selfie friendly
screen. Another group of users who will take advantage of A55's LCD screen is Vloggers.
A55 has a built-in Electronic viewfinder. The viewfinder has a resolution of 1,150kdots and coverage of 100%. 100% coverage ensures that what you see in the viewfinder while shooting matches exactly what you will get later in your image, helping accurate framing your shots and minimizes the need for cropping images later. The magnification ratio of the viewfinder is 0.73x (35mm equivalent).
Max Shutter speed
Sony A55 can shoot continuously at max speed of 10 fps
and has max shutter speed of 1/4000 sec
A55 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Sony A55 features a Phase Detection autofocusing system. The AF system has 15 focus points and 3 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors. Sony A55 also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
With Sony A55, you can record your videos at a highest resolution of 1920 x 1080 at 60,29.97 fps and save in MPEG-4, AVCHD and H.264 formats. Full HD resolution of Sony A55 will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video
A55 has a built-in Stereo microphone and a None speaker. Sony A55 also has a port for an external microphone so you can record high quality sound with the help of an external microphone.
Connectivity and Storage
You can connect A55 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Sony A55 is powered by battery which provides a shooting life of 380 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 943 shots, Sony A55 has a short battery life for its class so we strongly recommend A55 owners to buy some extra batteries.
Battery Life Comparison in Entry-Level DSLR Cameras
Pentax K-x with its 1900shots is the model with longest battery life among Entry-Level DSLR cameras. Check the comparison of Sony A55 vs Pentax K-x or take a look at Longest Battery Life DSLR cameras list.
Sony A55 Features Compared to Main Competitors