Pentax K-x vs Pentax Q-S1

Let's look a bit more in depth at the Pentax K-x vs Pentax Q-S1, former being a Entry-Level DSLR while the latter is a Entry-Level Mirrorless and both are offered by Pentax. The image resolution of the K-x (12MP) and the Q-S1 (12MP) is pretty close but the K-x (APS-C) and Q-S1 (1/1.7") enjoy totally different sensor measurements.

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The K-x was introduced 5 years before the Q-S1 and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before delving straight into a complete comparison, below is a quick view of how the K-x matches up against the Q-S1 when considering portability, imaging, features and an overall grade.

This is a preview of the gallery images for Pentax K-x & Pentax Q-S1. The whole galleries are viewable at Pentax K-x Gallery & Pentax Q-S1 Gallery.

If you are going to lug around your camera frequently, you're going to have to consider its weight and volume. The Pentax K-x has outer measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Pentax Q-S1 has sizing of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") with a weight of 203 grams (0.45 lbs).

Take a look at the Pentax K-x vs Pentax Q-S1 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you are using at the time. Below is the front view over all size comparison of the K-x vs the Q-S1.

Factoring in size and weight, the portability rating of the K-x and Q-S1 is 69 and 92 respectively.

In many cases, its difficult to envision the contrast in sensor measurements only by viewing specs. The photograph below may provide you a clearer sense of the sensor measurements in the K-x and Q-S1.

All in all, each of the cameras enjoy the same exact MP albeit not the same sensor measurements. The K-x provides the bigger sensor which will make achieving shallower DOF less difficult. The older K-x will be disadvantaged when it comes to sensor technology.