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Soon after a four-year wait, Sony has returned to the enthusiast/semi-pro end of the DSLR marketplace. Having created a bit impact in that market place with the A700 that very closely resembled the conventional DSLRs made by Canon and Nikon, Sony has spent the intervening time creating some thing a bit distinct. The Sony A77 builds on the company's 'translucent mirror' technologies, and utilizes an electronic instead of optical viewfinder. The final result is really a product that may look conventional, but can promise the unconventional.
Generating a major leap in the camera market place, the Sony A77 reaches into the pro territory, able to capture 12 frames per second with a 24.3-megapixel camera that feels fantastic and handles like your standard enthusiast digital SLR. Its optional 16-50mm kit lens also delivers superb high quality for the money.
The main leap is produced possible thanks to the application of a number of technologies into a higher-end camera, chief of that is the Translucent Mirror Technology (TMT), which combined with the use of an electronic 1st curtain, makes it possible for the Sony A77 to capture 12 frames per second with less noise and vibration. Until Sony's introduction of TMT, the fastest frame rate whilst sustaining full autofocus was identified within the $5,000 Canon 1D Mark IV, that is capable of 10 frames per second although maintaining autofocus tracking.
One of the more pleasant finds on the Sony A77 may be the AF-assist lamp. It's of a style that disappeared on Canon SLRs many years ago. It throws a basic red light, but one with a vertical line pattern that enables the camera to concentrate in complete darkness. It makes me wish Canon would bring it back; then once more, here it's. There's also an infrared port nestled into the grip, a Depth-of-field preview button (not visible) lower left of the lens, as well as the AF mode selector dial.
Additionally towards the technological advances, Sony has clearly been listening to its audience when creating the camera's firmware - the A77 isn't just the most customizable Sony we've ever encountered, but that customization consists of a number of extended asked-for features. Additionally towards the capability to fine-adjust the AF tuning, Sony has added the capacity to define the upper and lower extremes that the Auto ISO method will use - a step, we suspect several users will welcome.
But despite all this technological wizardry, the Sony A77 is truly a remarkably conventional-feeling camera. It may possibly have a plastic top-plate, instead of the A700's tank-like magnesium-alloy construction, and use SD instead of CF cards, but in fairly significantly every single other respect it looks and behaves like a logical progression of the series. Overall, despite the fact that it embraces a rather distinct set of technologies, it feels and behaves significantly like a conventional semi-pro DSLR.
If you need to know the detail of the Sony A77 Camera, you can visit Sony A77 site.
SOURCE : http://goarticles.com/article/Sony-A77-DSLR-Review/5481715/
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