Sony Alpha a33 and a55 Full HD DSLR Camera
August 26, 2010 | Digital Camera, Sony | 2 CommentsSony has announced a surplus of new digital SLRs, including the A33 and A55. These two devices are the first to use Sony translucent mirror technology that separates the optical channel between the sensor and the sensor phase detection auto focus. Among other benefits, which allows Sony to reduce the size of the camera, although the two still cameras weight around 430 to 440g without batteries and other accessories.
Both devices feature a three inch, 921k dot resolution screen that swivels 270 degrees. The screens also have a 16:9 aspect ratio, highlighting the emphasis on the video and more photos of the photograph. Both cameras feature Sony’s nifty Sweep Panorama function, and can shoot up to ISO 25,600.
There are also full HD (1080i) The shooting video, and Sony’s technology enables rapid new mirror self-focusing on the shooting of the video viewfinder and preview video in real time. This will require the help of electronic viewfinders, but which will not please the purists out there. However, the point 1.15million resolution viewfinders to help alleviate some pain.
Where they differ is in the above speed and size of the sensor: the A55 is a 16.2 megapixel sensor, a sensor of the A33 14.2 megapixels. The A55 also adds GPS to those who have a penchant for geo-tagging. Both devices will be available from next month.
More interesting is the possibility of both cameras to take photos at full resolution up to 10fps in the case of the A55 and A33 on 7fps up, continuous, priority AE mode. Sony believes they are the fastest AF speed in Shooting of any digital SLR with an APS-C.
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