Olympus E-M5 III vs Pentax Efina

In this write-up, we are contrasting the Olympus E-M5 III vs Pentax Efina, former being a Advanced Mirrorless while the other is a Ultracompact by rivals Olympus and Pentax. There exists a sizable gap between the sensor resolutions of the E-M5 III (20MP) and Efina (14MP) and the E-M5 III (Four Thirds) and Efina (1/2.3") come with different sensor sizing.

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The E-M5 III was manufactured 6 years later than the Efina and that is quite a significant difference as far as technology is concerned. Each of these cameras offer different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax Efina being a Ultracompact camera.

Before getting straight into a step-by-step comparison, below is a simple synopsis of how the E-M5 III matches up versus the Efina in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Olympus OM-D E-M5 III & Pentax Efina. The entire galleries are provided at Olympus E-M5 III Gallery & Pentax Efina Gallery.

In case you're intending to carry your camera frequently, you will need to consider its weight and proportions. The Olympus E-M5 III enjoys physical dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) while the Pentax Efina has measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") having a weight of 91 grams (0.20 lbs).

Contrast the Olympus E-M5 III vs Pentax Efina in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you have at that moment. Following is the front view over all size comparison of the E-M5 III against the Efina.

Looking at dimensions and weight, the portability score of the E-M5 III and Efina is 80 and 97 respectively.

Normally, it's difficult to picture the difference between sensor sizing just by reading technical specs. The visual here may offer you a far better sense of the sensor sizes in the E-M5 III and Efina.

As you have seen, both cameras enjoy different megapixel count and different sensor sizing. The E-M5 III due to its larger sensor is going to make shooting shallow depth of field easier and the Olympus E-M5 III will offer you extra detail due to its extra 6MP. Greater resolution can also allow you to crop images far more aggressively. The newer E-M5 III should have an edge when it comes to sensor technology.