OM System OM-5 vs Pentax K-01

Below, we are reviewing the OM System OM-5 versus Pentax K-01, one is a Advanced Mirrorless and the other is a Entry-Level Mirrorless by rivals Olympus and Pentax. There is a huge difference between the sensor resolutions of the OM System OM-5 (20MP) and K-01 (16MP) and the OM System OM-5 (Four Thirds) and K-01 (APS-C) come with different sensor size.

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The OM System OM-5 was released 10 years after the K-01 which is quite a significant gap as far as tech is concerned. Both the cameras come with the identical body type (SLR-style mirrorless).

Before we go in to a in depth comparison, below is a brief summation of how the OM System OM-5 matches up against the K-01 when it comes to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for OM System OM-5 and Pentax K-01. The complete galleries are provided at OM System OM-5 Gallery and Pentax K-01 Gallery.

When you are intending to travel with your camera regularly, you need to consider its weight and measurements. The OM System OM-5 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) and the Pentax K-01 has proportions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs).

Compare the OM System OM-5 versus Pentax K-01 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at the time. Here is the front view physical size comparison of the OM System OM-5 against the K-01.

Taking into account size and weight, the portability grade of the OM System OM-5 and K-01 is 80 and 76 respectively.

Oftentimes, it is difficult to visualize the contrast between sensor dimensions only by looking at specs. The pic below will help offer you a much better sense of the sensor dimensions in the OM System OM-5 and K-01.

As you can plainly see, both of those cameras posses different resolutions and different sensor dimensions. The OM System OM-5 because of its tinier sensor is going to make shooting shallower depth of field more difficult and the OM System OM-5 will resolve extra detail as a result of its extra 4 Megapixels. Greater resolution will also help you crop pics somewhat more aggressively. The more recent OM System OM-5 should have an edge in sensor tech.