Sony A55 and A33 Review

Sony A55 and A33 is a new camera that uses Mirror Technology Translucent or transparent mirror technology that offers high speed shooting and a smaller body size compared with conventional SLR cameras. Translucent Mirror Technology uses translucent mirror that divides the optical path between the main image sensor and detection autofocus sensor, and offers a simplified mechanical design which allows the camera to be smaller.

Sony A55 and A33 Review

Diagram of Sony technology DSLT: [1] pellicle Mirror [2] AF phase detection sensors
[3] The main sensor [4] electronic viewfinder (EVF)

Specification Sony A55 and A33 :

• Physical design of a completely new


• Use of pellicle mirror mirror


• Sony DSLT-A55: HD 16.2 megapixel APS Exmor CMOS Sensor


• Sony DSLT-A33: HD 14.6 megapixel APS Exmor CMOS Sensor


• Bionz processor newest generation algorithm


• The ability of recording video clips 60i Full HD AVCHD 1.080p (30ï from the sensor output), in addition to Motion JPEG format


• 2D and 3D Sweep Panorama


• Performance Auto HDR 3 frames 6.0 EV increasingly refined


• 15 point phase detection autofocus sensor with 3 cross


• Range sensitivity of the sensor from ISO 100 to ISO 12,800, with a choice of ISO 25 600 in Multi-Mode Frame NR


• 3.0-inch LCD screen with 921,600 dot flexibility swing 180 ° and 180 ° swivel


• Dot electronic viewfinder with 1.44 million RGB Field Sequential technology, 1.1x magnification, 19mm viewfinder profile, and accuracy of 100% coverage of the space view


• A maximum of 10 fps in Continuous Priority AE Mode (Sony DSLT-A55), a maximum of 7 fps in Continuous Priority AE Mode (Sony DSLT-A33)


• HDMI sockets, sharp room checker button (depth of field preview), and external microphone socket


• Supports memory card formats SDXC, besides the Memory Stick

Image quality
Noise
There are 8 ISO settings available on the Sony A55 and A33.

Dynamic Range Optimizer
D-Range Optimizer (DRO) is Sony's solution to improve shadow detail in photos taken in light contrast.

High Dynamic Range
High Dynamic Range Optimizer (HDR) is Sony's solution to capture the contrast more than one exposure can deal with combining two exposures into one image.

Sweep Panorama Mode
This camera allows you to take a panoramic picture that is very easy, with a 'sweeping' the camera while holding down the shutter release. The camera does all the processing and merging and even managed to compensate for moving subjects.

Appearance Sony A55 and A33

Source  : Sony A55 and A33 Review