After looking at many sample images reviews and tests of the sony a7 series the pentax k 1 and nikon and canon full frame cameras i chose the a7 for its combination of a great sensor a compact body and in 2017 a very reasonable price.
Sony a7 full frame mirrorless camera review.
It uses the same 24 megapixel sensor as its predecessor and the same bionz x processor as the rest of the a7 series.
Improvements come in the form of 5 axis sensor based image stabilization improved af performance and some overall design tweaks.
The a7 uses a hybrid af system with on chip phase detection similar to the one found on the nex 6 while the a7r has traditional contrast detection.
The a7 features a full frame 24 megapixel cmos while the a7r has a 36 megapixel cmos sensor with no optical low pass filter.
Sony a7 is not the highest resolution full frame camera.
Traditionally full frame sensors were.
Sony a7r iv with its 61 0mp sensor is leading in this class.
The sony a7 and a7r are more or less unique in the market being so small and light and of course mirrorless.
The sony alpha a7 ii is an image stabilized full frame mirrorless camera the fourth release in sony s a7 lineup and the follow up the original a7.
However if we re talking about entry level full frame cameras the a7 does compete.
Dxomark is a benchmark that scientifically assesses image quality of camera sensors.
Sony alpha a7 mirrorless camera review.
Full frame power sony s alpha a7 is a pro level mirrorless camera that offers excellent full frame performance and good ergonomics in a compact design.