Sony SLT-A99 Preview
On top of a new sensor, the a99 received an improved BIONZ processing engine to help the camera quickly digest the massive amount of information coming from the 24-megapixel full-frame image sensor. This processor offers a new high-speed front-end LSI to help speed up processing, 14-bit RAW output (8-bit JPEG), and area-specific noise reduction options. The shutter life has been raised to 200,000 cycles, and burst shooting can be realized at 6fps with continuous/tracking AF, or up to 10fps with single AF - both at full resolution.
Another huge upgrade on the a99 is the new Dual AF system, with the a99 offering the World's first Dual AF system. It boasts two separate Phase Detection AF sensors - a 19-point (11 cross points) precision AF sensor combined with a 102-point Focal Plane Phase AF sensor; for a combined 121 active focus points. Sony claims this level of AF performance is only made possible thanks to their Translucent Mirror Technology. With this new system, Sony has added two new AF functions; AF-D Mode and AF Ragne Control. AF-D Mode is an advanced continuous AF mode that uses the 102 focal place assist area points to create a depth map to track subjects, while the precision 19-point AF sensors dial in crisp focus. AF range control allows you to set the range in which the AF system can operate, allowing you to reduce front and back focusing due to interference from objects in the foreground or background.
Framing is accomplished with either the 3-way tilting, 3.0-inch Xtra Fine LCD screen (921k dots) screen, or the new Xtra OLED Tru-Finder. The Tru-Finder offers 2359k dots of resolution, a large and easy to view live image (regardless of lens used), Color tone adjustment, 100% coverage, and much more.
The a99 boasts a lighter body than the a900, at only 733 grams (compared to the 900 grams of the a900). It still offers a rugged magnesium-ally chassis, that is dust and moisture resistant.
Sony Alpha SLT-A99 Key Features:
- Newly developed 24.3-megapixel, full-frame Exmor CMOS image sensor
- Sony A-mount / Minolta A bayonet lens mount system
- Translucent Mirror Technology
- Built-in SteadyShot technology, all lenses have IS with this camera
- Updated BIONZ image processor
- New Dual AF system combines two separate Phase Detection sensors for a total of 121 AF points
- Various exposure options, including Automatic functions like Auto+, Auto HDR, etc.
- 3.0-inch Xtra Fine LCD with White Magic and Tru Black technologies
- High resolution Xtra OLED Tru-Finder electronic viewfinder
- Auto APS-C Crop function when using crop A-mount lenses
- 14bit RAW data output (8bit JPEG)
- Dust and Moisture resistant body
- Rugged magnesium-alloy chassis
- Incorporates Sony's "Movie NDA" options with professional spec digital filming options like Full HD 60p video with Full-time Continuous AF
- Improved sound options like Audio Level display, Rec level control, built-in headphone jack, and Support for an XLR Adapter kit
- New Silent Multi-Controller
- 6fps full resolution burst shooting with continuous/tracking AF
- 10fps full resolution burst shooting with single AF on initial shot
- Dual Card Slot compatible with SD and Memory Stick type cards
- New optional battery grip retains main battery - giving you three batteries instead of two for even greater battery life
- Upgraded Quick Navi Pro with new interface, histogram display, and digital level
- Simultaneous Full HD video output via HDMI
The Sony Alpha SLT-A99 is scheduled to hit stores in October (2012) with a body only price of $2799 USD. a
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|David Busch's Sony Alpha SLT-A99 Guide to Digital SLR Photography (David Busch's Digital Photography Guides)|
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