Olympus E-M10 III vs Pentax S1

Here, we will be contrasting the Olympus E-M10 III and Pentax S1, former being a Entry-Level Mirrorless while the latter is a Small Sensor Compact by companies Olympus and Pentax. The resolution of the E-M10 III (16MP) and the S1 (14MP) is pretty close but the E-M10 III (Four Thirds) and S1 (1/2.3") offer different sensor size.

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The E-M10 III was introduced 6 years later than the S1 and that is a fairly big difference as far as camera tech is concerned. Each of these cameras feature different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax S1 being a Compact camera.

Before getting right into a in depth comparison, here is a concise introduction of how the E-M10 III grades versus the S1 in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus OM-D E-M10 Mark III & Pentax Optio S1. The whole galleries are provided at Olympus E-M10 III Gallery & Pentax S1 Gallery.

In case you're aiming to carry your camera frequently, you will need to factor in its weight and proportions. The Olympus E-M10 III provides exterior dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") with a weight of 410 grams (0.90 lbs) and the Pentax S1 has measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Contrast the Olympus E-M10 III and Pentax S1 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you have at that moment. Following is a front view proportions comparison of the E-M10 III and the S1.

Using size and weight, the portability score of the E-M10 III and S1 is 80 and 93 respectively.

Often, it is hard to visualize the difference in sensor sizing merely by viewing specifications. The visual underneath may provide you a much better sense of the sensor sizes in the E-M10 III and S1.

Plainly, both cameras feature different megapixels and different sensor sizing. The E-M10 III with its bigger sensor is going to make achieving shallower depth of field easier and the Olympus E-M10 III will render more detail using its extra 2 Megapixels. Higher resolution will also enable you to crop photographs way more aggressively. The fresher E-M10 III should have a benefit in sensor tech.