Sony announces the world's first digital alpha camera "α99" with dual AF sensor

The world's first dual AF system capable of accurately focusing with two autofocus sensors by placing 102 point image plane phase difference sensors on the image sensor that detect the distance between the 19 phase difference AF sensor and the subject Sony's digital single lens reflex camera "α99 (SLT-A99V)" was introduced.

World's First 'Dual AF System' Digital SLR Camera 'α' A Top Mounted Model | Press Releases | Sony

SLT-A99V | Digital single lens camera "α" (Alpha) [A Mount] | Sony

Effective Approximately 24.3 million pixels 35 mm full size CMOS sensor and a new image processing engine BIONZ optimized for this camera are installed. It has a front end LSI for processing a huge amount of data generated by a large capacity full size sensor at high speed and can perform shading correction for correcting a decrease in the peripheral light amount seen when using a wide angle lens and the like, It seems that it is possible to perform clamp processing etc. to adjust the level with high precision at high speed.


The file format supports JPEG and RAW images and simultaneous recording of RAW + JPEG. RAW (Sony original ARW 2.3 format), Movie AVCHD Ver. 2.0 (Progressive), AVCHD, MP4. Recording media correspond to Memory Stick PRO Duo, Memory Stick PRO-HG Duo, SD Card, SDHC Card (UHS-1 compatible), SDXC Card.


It is equipped with sensor shift type camera shake reduction (still image only), the main unit weight is about 812 g (including battery memory stick PRO Duo). The size is 147 × width 111.2 × depth 78.4 mm.


With an organic EL viewfinder XGA OLED Tru-Finder with a field of view ratio of 100% and 2359 thousand dots, it is possible to see the content captured by the sensor with high definition video.


By installing a "dual noise reduction circuit" that eliminates noise twice, after the nalog stage and digital conversion, it realizes overwhelming low noise even at high sensitivity shooting and has resolution of ISO 100 to 25600 (extended ISO 50) It is said that low noise and low noise are compatible at a high level.


When you install the optional interchangeable lens "300 mm F 2.8 G SSM II SAL 300 F 28 G 2 (81, 3750 yen including tax, released on October 26)" like this.


On the back is a movable 3-type (1,288,800 dot) TFT liquid crystal display.




You can change the angle even in the vertical position.


"Α99" logo.


The mode dial is as follows.


Approximately 6 frames of AF follow-up high-speed continuous shooting, teleconference high-speed continuous shooting in the case of about 10 frames) is possible, with the electronic front curtain shutter mounting realized release time lag of approximately 0.05 seconds.


The shutter button looks something like this.


It will be like this when loading accessories for movie shooting.


Headphones etc can be installed.


The movie of the product commentary has already been uploaded to YouTube, and you can check the actual picture, picture, shutter sound etc taken.

Α99 from Sony: Official Video Release - YouTube


The release date is October 26, 2012, the actual sales price is around 300,000 yen.