Sony Alpha a9
|I own it||I want it||I had it|
The Sony Alpha a9 is the company's flagship full-frame mirrorless camera. It features a 24MP stacked CMOS sensor which permits 20 fps burst shooting without the 'blackout' found on traditional DSLRs courtesy of its electronic shutter. Its autofocus system has been improved, with a total of 693 phase-detect points covering 93% of the image area and Eye AF that's 30% better compared to the a7R II. The camera has an ISO range of 50-204,800 when fully expanded and 14-bit uncompressed Raws can be saved. It can also record oversampled UHD 4K video.
The magnesium alloy body is weather-sealed, has onboard 5-axis image stabilization, and offers two dials plus a joystick for selecting an AF point. The large EVF has 3.7 million dots and the tilting 3" LCD is touch-enabled. The a9 sports two SD card slots (both support UHS-II media) plus an Ethernet jack allowing users to transfer files over FTP.
|Body type||SLR-style mirrorless|
|Max resolution||6000 x 4000|
|Effective pixels||24 megapixels|
|Sensor size||Full frame (35.6 x 23.8 mm)|
|ISO||Auto, ISO 100-51200 (expands to 50-204800)|
|Lens mount||Sony E|
|Focal length mult.||1×|
|Max shutter speed||1/8000 sec|
|Format||MPEG-4, AVCHD, H.264|
|Storage types||Dual SD/SDHC/SDXC slots (One of which UHS-II compatible)|
|USB||USB 2.0 (480 Mbit/sec)|
|Weight (inc. batteries)||673 g (1.48 lb / 23.74 oz)|
|Dimensions||127 x 96 x 63 mm (5 x 3.78 x 2.48″)|
The Sony a9 is more than just a refinement of the company's a7-series of full-frame mirrorless cameras; it's an evolution. With meaningful ergonomic and user interface improvements, the a9 is a polished and highly capable camera. It may not be a go-to camera for landscape and studio photographers, but its compact dimensions, silent operation, abundant speed and blackout-free shooting make it not only a step forward for mirrorless, but a compelling proposition for professionals who can't afford to miss a moment.
Good for: Sports, peak action, wedding, event and child photography, photojournalism
Not so good for: Landscape and studio photographers for whom resolution and dynamic range are important considerations
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