Sony α99 — 24MP full-frame DSLR

The new Sony α99 camera. Photo by Sony.


By Andrew Hudson Published: September 12, 2012 Updated: September 1, 2016

Sony rejoins the DSLR battle with Canon and Nikon by announcing the 24MP α99 camera. The new flagship professional camera is the world’s first full-frame SLT camera, where a translucent pellicle mirror passes light to the image sensor and a Phase Detection AF sensor for faster speeds.

The α99 should ship in October 2012 for the body-only price of $2,800.

See how the α99 compares to
the Nikon D600 and Canon 6D full-frame cameras

“Sony’s long awaited α99 camera sets a new performance standard for professional-class DSLRs, combining all of the benefits of full-frame imaging with the responsiveness and speed of Translucent Mirror Technology.”
— Sony α99 press release, September 12, 2012.

Specifications

  • Lens Compatibility : Sony A-mount lenses
  • Imaging Sensor : "Exmor" CMOS sensor (35.8 x 23.9mm)
  • Effective Picture Resolution : Approx. 24.3 megapixels
  • Weight (Approx.) : 733g body only, 812g with battery and memory stick

>Full α99 specs from Sony

What is “Dual AF”?

“The new α99 camera features a unique dual AF system, a world’s first for cameras. This camera’s main focusing system — a 19-point AF system with 11 cross sensors — is complemented by a 102-point focal plane phase-detection AF sensor overlaying the main image sensor.”
— Sony α99 press release, September 12, 2012.

What is “Translucent Mirror Technology”?

“Harnessing the power of Translucent Mirror Technology, light is passed to both phase-detection AF sensors simultaneously and continually, measuring subject distance and position more completely than other cameras. This unique Dual AF System permits ultra-fast, accurate autofocusing that maintains.”
— Sony α99 press release, September 12, 2012.

“Sony’s long awaited α99 camera sets a new performance standard for professional-class DSLRs, combining all of the benefits of full-frame imaging with the responsiveness and speed of Translucent Mirror Technology.”
Sony press release

Sources: Sony

Next page: Canon EOS 6D — 20MP full-frame DSLR

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