Pentax K-S1 vs Sony NEX-7

Below, we will be comparing the Pentax K-S1 versus Sony NEX-7, one is a Advanced DSLR and the latter is a Advanced Mirrorless by rivals Pentax and Sony. The resolution of the K-S1 (20MP) and the NEX-7 (24MP) is relatively similar and they use the exact same sensor measurements (APS-C).

Photography Glossary

The K-S1 was unveiled 2 years after the NEX-7 which is quite a large gap as far as tech is concerned. Both of the cameras come with different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before going in to a complete comparison, below is a quick summary of how the K-S1 scores versus the NEX-7 when considering portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax K-S1 and Sony Alpha NEX-7. The full galleries are provided at Pentax K-S1 Gallery and Sony NEX-7 Gallery.

If you're aiming to carry around your camera regularly, you will need to factor in its weight and volume. The Pentax K-S1 comes with exterior dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs) while the Sony NEX-7 has sizing of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") accompanied by a weight of 400 grams (0.88 lbs).

Take a look at the Pentax K-S1 versus Sony NEX-7 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that moment. Following is the front view size comparison of the K-S1 and the NEX-7.

Taking into consideration size and weight, the portability score of the K-S1 and NEX-7 is 69 and 84 respectively.

Oftentimes, it's difficult to envision the difference between sensor sizes simply by reviewing a spec sheet. The picture underneath will help provide you a clearer sense of the sensor sizes in the K-S1 and NEX-7.

Clearly, both cameras posses the exact same sensor measurements albeit not the same megapixels. You should count on the Sony NEX-7 to offer extra detail having an extra 4MP. Higher resolution will allow you to crop shots somewhat more aggressively. The more modern K-S1 will have an edge when it comes to sensor technology.