Olympus E-M1X vs Pentax S1

The following is a comprehensive review of the Olympus E-M1X and Pentax S1, one is a Pro Mirrorless and the latter is a Small Sensor Compact by brands Olympus and Pentax. There exists a sizeable gap among the sensor resolutions of the E-M1X (20MP) and S1 (14MP) and the E-M1X (Four Thirds) and S1 (1/2.3") provide different sensor dimensions.

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The E-M1X was introduced 8 years after the S1 which is a fairly large gap as far as camera technology is concerned. Both of the cameras feature different body design with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax S1 being a Compact camera.

Before diving right into a more detailed comparison, here is a simple summary of how the E-M1X scores versus the S1 in regards to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus OM-D E-M1X and Pentax Optio S1. The whole galleries are viewable at Olympus E-M1X Gallery and Pentax S1 Gallery.

For those who are intending to travel with your camera often, you have to consider its weight and dimensions. The Olympus E-M1X offers external dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") with a weight of 997 grams (2.20 lbs) while the Pentax S1 has dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") accompanied by a weight of 157 grams (0.35 lbs).

Compare the Olympus E-M1X and Pentax S1 in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing during that time. Here is a front view overall size comparison of the E-M1X versus the S1.

Factoring in dimensions and weight, the portability rating of the E-M1X and S1 is 54 and 93 respectively.

Sometimes, it is hard to visualize the gap in sensor dimensions purely by viewing specifications. The pic below might offer you a stronger sense of the sensor sizes in the E-M1X and S1.

To sum up, both cameras come with different megapixels and different sensor dimensions. The E-M1X using its bigger sensor is going to make shooting shallower depth of field simpler and the Olympus E-M1X will result in greater detail using its extra 6 Megapixels. Higher resolution can also make it easier to crop photographs a good deal more aggressively. The more recent E-M1X provides an edge in sensor tech.