Olympus E-M10 IV vs Pentax RS1500

Following is a thorough comparison of the Olympus E-M10 IV and Pentax RS1500, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by manufacturers Olympus and Pentax. There is a significant difference between the resolutions of the E-M10 IV (20MP) and RS1500 (14MP) and the E-M10 IV (Four Thirds) and RS1500 (1/2.3") provide totally different sensor measurements.

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The E-M10 IV was unveiled 9 years after the RS1500 which is quite a sizable gap as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before diving right into a comprehensive comparison, here is a concise introduction of how the E-M10 IV scores against the RS1500 in regards to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus OM-D E-M10 IV and Pentax Optio RS1500. The full galleries are viewable at Olympus E-M10 IV Gallery and Pentax RS1500 Gallery.

For anybody who is going to carry around your camera regularly, you're going to have to factor in its weight and volume. The Olympus E-M10 IV has exterior dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") with a weight of 383 grams (0.84 lbs) and the Pentax RS1500 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") and a weight of 157 grams (0.35 lbs).

Check out the Olympus E-M10 IV and Pentax RS1500 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with during that time. The following is a front view sizing comparison of the E-M10 IV and the RS1500.

Looking at size and weight, the portability grade of the E-M10 IV and RS1500 is 81 and 93 respectively.

Often, it is difficult to visualise the contrast between sensor sizes just by reading through a spec sheet. The image here should provide you a greater sense of the sensor dimensions in the E-M10 IV and RS1500.

Clearly, both of those cameras feature different megapixels and different sensor sizes. The E-M10 IV with its bigger sensor will make achieving shallow DOF less difficult and the Olympus E-M10 IV will resolve extra detail having an extra 6MP. Higher resolution will also enable you to crop shots way more aggressively. The more modern E-M10 IV is going to have an advantage when it comes to sensor innovation.