Pentax K-S2 vs Sony A850

Below is a detailed assessment of the Pentax K-S2 vs Sony A850, one being a Entry-Level DSLR and the latter is a Advanced DSLR by companies Pentax and Sony. The sensor resolution of the K-S2 (20MP) and the A850 (25MP) is pretty comparable but the K-S2 (APS-C) and A850 (Full frame) possess different sensor sizing.

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The K-S2 was brought out 4 years later than the A850 and that is a fairly serious gap as far as camera tech is concerned. Both the cameras offer different body type with the Pentax K-S2 being a Compact SLR camera and the Sony A850 being a Mid-size SLR camera.

Before going straight into a step-by-step comparison, below is a brief synopsis of how the K-S2 grades vs the A850 in the way of portability, imaging, features and an overall grade.

This is a preview of the gallery images for Pentax K-S2 and Sony Alpha DSLR-A850. The entire galleries are viewable at Pentax K-S2 Gallery and Sony A850 Gallery.

If you're intending to lug around your camera, you are going to need to factor its weight and proportions. The Pentax K-S2 provides external measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs) while the Sony A850 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Take a look at the Pentax K-S2 vs Sony A850 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you use at that moment. Underneath is the front view measurements comparison of the K-S2 against the A850.

Using size and weight, the portability score of the K-S2 and A850 is 64 and 54 respectively.

Generally, it can be difficult to imagine the difference in sensor measurements only by going through specs. The graphic here may offer you a better sense of the sensor measurements in the K-S2 and A850.

As you can plainly see, both of the cameras enjoy different resolutions and different sensor measurements. The K-S2 due to its smaller sensor is going to make achieving shallow depth of field tougher and the Sony A850 will provide extra detail having its extra 5MP. Higher resolution will also enable you to crop photographs far more aggressively. The younger K-S2 provides a benefit in sensor tech.