Olympus E-M1 II vs Sigma SD15

The following is a thorough comparison of the Olympus E-M1 II versus Sigma SD15, one is a Pro Mirrorless and the other is a Advanced DSLR by brands Olympus and Sigma. There exists a crucial gap between the sensor resolutions of the E-M1 II (20MP) and SD15 (5MP) and the E-M1 II (Four Thirds) and SD15 (APS-C) possess totally different sensor sizing.

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The E-M1 II was introduced 6 years after the SD15 which is quite a serious gap as far as technology is concerned. Both cameras come with different body type with the Olympus E-M1 II being a SLR-style mirrorless camera and the Sigma SD15 being a Mid-size SLR camera.

Before going in to a detailed comparison, below is a short summation of how the E-M1 II matches up versus the SD15 in terms of portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus OM-D E-M1 Mark II and Sigma SD15. The whole galleries are available at Olympus E-M1 II Gallery and Sigma SD15 Gallery.

For those who are aiming to travel with your camera regularly, you will need to think about its weight and volume. The Olympus E-M1 II provides outer dimensions of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") with a weight of 574 grams (1.27 lbs) while the Sigma SD15 has sizing of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs).

Look at the Olympus E-M1 II versus Sigma SD15 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at that time. Below is the front view overall size comparison of the E-M1 II compared to the SD15.

Taking into consideration dimensions and weight, the portability grade of the E-M1 II and SD15 is 68 and 59 respectively.

Normally, it's hard to envision the gap between sensor dimensions simply by reviewing technical specs. The picture here will help give you a clearer sense of the sensor dimensions in the E-M1 II and SD15.

As you have seen, the 2 cameras posses different resolutions and different sensor dimensions. The E-M1 II having a tinier sensor will make achieving shallower depth of field more challenging and the Olympus E-M1 II will offer more detail using its extra 15MP. Greater resolution can also allow you to crop images somewhat more aggressively. The younger E-M1 II is going to have a benefit with regard to sensor innovation.