Pentax K-5 IIs vs Sony A57

Lets look more in depth at the Pentax K-5 IIs and Sony A57, one being a Advanced DSLR and the latter is a Entry-Level DSLR by brands Pentax and Sony. The sensor resolution of the K-5 IIs (16MP) and the A57 (16MP) is relatively close and both cameras have the identical sensor dimensions (APS-C).

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The K-5 IIs was brought out 9 months later than the A57 and they are both of a similar generation. Both of these cameras feature different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before delving straight to a full comparison, here is a short highlight of how the K-5 IIs matches up against the A57 when considering portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax K-5 IIs and Sony SLT-A57. The entire galleries are available at Pentax K-5 IIs Gallery and Sony A57 Gallery.

In case you're looking to carry your camera frequently, you are going to need to take into account its weight and volume. The Pentax K-5 IIs has exterior measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 760 grams (1.68 lbs) and the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

Check the Pentax K-5 IIs and Sony A57 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that moment. Following is a front view physical size comparison of the K-5 IIs against the A57.

Taking into account size and weight, the portability grade of the K-5 IIs and A57 is 60 and 64 respectively.

Usually, its tough to visualise the contrast in sensor sizing just by viewing specs. The graphic here should provide you a stronger sense of the sensor measurements in the K-5 IIs and A57.

As you can plainly see, both of these cameras come with the identical sensor size and the same exact MP and you should expect comparable quality of images however you should really take the production date of the cameras into account. The newer K-5 IIs is going to have an edge in sensor innovation.