Pentax K-7 vs Sony W570

Let's take a more detailed look at the Pentax K-7 and Sony W570, former is a Advanced DSLR while the latter is a Ultracompact by rivals Pentax and Sony. The image resolution of the K-7 (15MP) and the W570 (16MP) is relatively comparable but the K-7 (APS-C) and W570 (1/2.3") use totally different sensor sizing.

Photography Glossary

The K-7 was brought out 15 months before the W570 which makes the cameras a generation away from one another. Both the cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony W570 being a Ultracompact camera.

Before delving in to a complete comparison, below is a simple view of how the K-7 scores vs the W570 with regard to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Pentax K-7 & Sony Cyber-shot DSC-W570. The entire galleries are viewable at Pentax K-7 Gallery & Sony W570 Gallery.

If you are going to carry around your camera often, you'll have to take into account its weight and size. The Pentax K-7 offers outer dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs) and the Sony W570 has specifications of 91mm x 52mm x 19mm (3.6" x 2.0" x 0.7") having a weight of 116 grams (0.26 lbs).

See the Pentax K-7 and Sony W570 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change depending on the lens you are using at that moment. Below is the front view proportions comparison of the K-7 vs the W570.

Taking into consideration dimensions and weight, the portability grade of the K-7 and W570 is 60 and 96 respectively.

Typically, it is very tough to envision the difference in sensor sizes purely by seeing technical specs. The picture here should provide you a far better sense of the sensor sizes in the K-7 and W570.

As you can tell, both of these cameras offer different megapixels and different sensor sizes. The K-7 featuring a bigger sensor will make shooting shallow DOF simpler and the Sony W570 will show more detail having its extra 1 Megapixels. Higher resolution will enable you to crop shots a little more aggressively. The more aged K-7 will be disadvantaged in sensor innovation.