Olympus E-M10 III vs Pentax RS1500

Here, we are evaluating the Olympus E-M10 III and Pentax RS1500, one being a Entry-Level Mirrorless and the other is a Small Sensor Compact by competitors Olympus and Pentax. The image resolution of the E-M10 III (16MP) and the RS1500 (14MP) is very similar but the E-M10 III (Four Thirds) and RS1500 (1/2.3") provide totally different sensor size.

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The E-M10 III was revealed 6 years later than the RS1500 and that is quite a significant gap as far as tech is concerned. The two cameras feature different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before going right into a more detailed comparison, here is a brief summation of how the E-M10 III scores against the RS1500 with regard to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Olympus OM-D E-M10 Mark III and Pentax Optio RS1500. The full galleries are viewable at Olympus E-M10 III Gallery and Pentax RS1500 Gallery.

For anyone who is going to carry your camera often, you will have to consider its weight and dimensions. The Olympus E-M10 III has got exterior measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) and the Pentax RS1500 has dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") with a weight of 157 grams (0.35 lbs).

Examine the Olympus E-M10 III and Pentax RS1500 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that moment. The following is a front view physical size comparison of the E-M10 III and the RS1500.

Factoring in size and weight, the portability grade of the E-M10 III and RS1500 is 80 and 93 respectively.

Generally, it's hard to visualise the gap between sensor sizing only by going over a spec sheet. The photograph underneath will help provide you a more clear sense of the sensor measurements in the E-M10 III and RS1500.

As you can see, the 2 cameras come with different megapixel count and different sensor sizing. The E-M10 III with its larger sensor will make getting shallow depth of field less difficult and the Olympus E-M10 III will deliver greater detail because of its extra 2 Megapixels. Greater resolution will also help you crop images a good deal more aggressively. The newer E-M10 III will have a benefit when it comes to sensor tech.