Olympus E-M5 III vs Pentax RS1500

Let's look a little more in depth at the Olympus E-M5 III and Pentax RS1500, one being a Advanced Mirrorless and the other is a Small Sensor Compact by manufacturers Olympus and Pentax. There exists a huge gap among the image resolutions of the E-M5 III (20MP) and RS1500 (14MP) and the E-M5 III (Four Thirds) and RS1500 (1/2.3") enjoy different sensor sizing.

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The E-M5 III was unveiled 8 years later than the RS1500 and that is a fairly significant gap as far as camera technology is concerned. Both of these cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before we go through a more detailed comparison, below is a short summary of how the E-M5 III grades versus the RS1500 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus OM-D E-M5 III and Pentax Optio RS1500. The full galleries are viewable at Olympus E-M5 III Gallery and Pentax RS1500 Gallery.

For anybody who is planning to carry your camera, you will have to factor its weight and volume. The Olympus E-M5 III enjoys outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) whilst the Pentax RS1500 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Check the Olympus E-M5 III and Pentax RS1500 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 select during that time. Below is the front view dimension comparison of the E-M5 III compared to the RS1500.

Factoring in dimensions and weight, the portability grade of the E-M5 III and RS1500 is 80 and 93 respectively.

Quite often, it's tough to imagine the gap in sensor sizing just by viewing technical specs. The photograph below should offer you a greater sense of the sensor sizes in the E-M5 III and RS1500.

As you can tell, the 2 cameras posses different resolutions and different sensor sizing. The E-M5 III using its larger sensor is going to make achieving shallow depth of field simpler and the Olympus E-M5 III will provide you with extra detail having an extra 6MP. Greater resolution can also help you crop images somewhat more aggressively. The more recent E-M5 III should have a benefit with regard to sensor tech.