Pentax K-5 IIs vs Sony A900

Here is a detailed assessment of the Pentax K-5 IIs versus Sony A900, both Advanced DSLR cameras by manufacturers Pentax and Sony. There is a sizeable difference among the resolutions of the K-5 IIs (16MP) and A900 (25MP) and the K-5 IIs (APS-C) and A900 (Full frame) boast different sensor measurements.

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The K-5 IIs was brought out 4 years later than the A900 and that is a fairly large gap as far as camera tech is concerned. Each of these cameras feature the same body design (Mid-size SLR).

Before getting right into a step-by-step comparison, here is a simple synopsis of how the K-5 IIs grades versus the A900 in regards to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax K-5 IIs and Sony Alpha DSLR-A900. The entire galleries are available at Pentax K-5 IIs Gallery and Sony A900 Gallery.

If you are intending to carry your camera, you should factor its weight and volume. The Pentax K-5 IIs provides outside dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 760 grams (1.68 lbs) while the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Look at the Pentax K-5 IIs versus Sony A900 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. Underneath is a front view overall size comparison of the K-5 IIs and the A900.

Considering size and weight, the portability rating of the K-5 IIs and A900 is 60 and 54 respectively.

Usually, it can be hard to picture the difference in sensor sizing only by checking out a spec sheet. The graphic here will help offer you a stronger sense of the sensor dimensions in the K-5 IIs and A900.

Clearly, both cameras feature different megapixel count and different sensor sizing. The K-5 IIs featuring a smaller sensor is going to make shooting shallower DOF harder and the Sony A900 will provide more detail having its extra 9MP. Higher resolution will help you crop shots way more aggressively. The younger K-5 IIs provides an edge with regard to sensor innovation.