High-end OLED viewfinder with near-optical quality unveiled; new high-end 24MP interchangeable-lens compact, among new cameras and lenses introduced today.

Sony today revamped its lineup of interchangeable lens cameras, including: The A77, the successor to the A700 ($1399, available in october). Unlike the A700, which was a mirror-based DSLR, the A77 uses a translucent mirror and EVF configuration. Features include a 24MP APS sensor, 12fps full-resolution (which Sony says makes this the world's fastest camera), and an OLED electronic viewfinder that is said to project near-optical quality images. Along with the lens is a 16-50mm f/2.8 constant aperture lens for $700. Along with the A77 is the A65, a 24MP DSLR, but with fewer features it will cost aruound $900 for the body.
Watch this video, produced by Sony, for a full preview of the Sony A77:
Sony is also overhauling the NEX line. Today they introduced:
The NEX7, a premium mirrorless interchangeable-lens camera with an APS-sized sensor and e-mount lenses, it boasts a 24mm sensor, OLED EVF, 10fps, additonal external controls and a built-in, pop-up flash.
The NEX-5n remains roughly the same as the NEX-5 externally, but adds a 16MP sensor, touch-screen LCD, and a claimed 20 millisecond lag time.
New lenses—a 24mm f/1.8, 50mm f/1.8 and E55-210 f/4.5-6.3—were also introduced.
Watch this video, produced by Sony, for a full preview of the latest Sony compact interchangeable-lens cameras, lenses and accessories:
More details coming soon.