Olympus E-M1 III vs Ricoh GR Digital IV

Below is a extended assessment of the Olympus E-M1 III and Ricoh GR Digital IV, one being a Pro Mirrorless and the other is a Small Sensor Compact by competitors Olympus and Ricoh. There is a significant difference among the image resolutions of the E-M1 III (20MP) and GR Digital IV (10MP) and the E-M1 III (Four Thirds) and GR Digital IV (1/1.7") use totally different sensor measurements.

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The E-M1 III was introduced 8 years later than the GR Digital IV and that is a fairly sizable gap as far as camera tech is concerned. Both of the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Ricoh GR Digital IV being a Compact camera.

Before getting in to a in depth comparison, below is a brief highlight of how the E-M1 III grades against the GR Digital IV in the way of portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Olympus OM-D E-M1 Mark III and Ricoh GR Digital IV. The whole galleries are viewable at Olympus E-M1 III Gallery and Ricoh GR Digital IV Gallery.

In case you're intending to lug around your camera often, you will want to think about its weight and proportions. The Olympus E-M1 III enjoys external measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Ricoh GR Digital IV has measurements of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") along with a weight of 190 grams (0.42 lbs).

Examine the Olympus E-M1 III and Ricoh GR Digital IV in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at the time. Below is the front view dimension comparison of the E-M1 III compared to the GR Digital IV.

Factoring in size and weight, the portability score of the E-M1 III and GR Digital IV is 67 and 92 respectively.

Often, it can be difficult to envision the gap in sensor measurements simply by viewing specs. The visual below might offer you a clearer sense of the sensor measurements in the E-M1 III and GR Digital IV.

All in all, each of the cameras offer different megapixels and different sensor measurements. The E-M1 III with its larger sensor will make shooting shallower DOF less difficult and the Olympus E-M1 III will render more detail using its extra 10 Megapixels. Greater resolution can also enable you to crop images a little more aggressively. The younger E-M1 III will have a benefit in sensor innovation.