Olympus E-620 vs Pentax K-01

Below is a thorough comparison of the Olympus E-620 versus Pentax K-01, former being a Entry-Level DSLR while the other is a Entry-Level Mirrorless by companies Olympus and Pentax. There exists a sizable gap between the image resolutions of the E-620 (12MP) and K-01 (16MP) and the E-620 (Four Thirds) and K-01 (APS-C) come with totally different sensor size.

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The E-620 was announced 3 years prior to the K-01 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-620 being a Compact SLR camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before we go in to a detailed comparison, below is a quick summary of how the E-620 grades versus the K-01 with respect to portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Olympus E-620 & Pentax K-01. The whole galleries are available at Olympus E-620 Gallery & Pentax K-01 Gallery.

For those who are going to lug around your camera often, you will need to think about its weight and size. The Olympus E-620 has got outer measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") having a weight of 500 grams (1.10 lbs) whilst the Pentax K-01 has specifications of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") having a weight of 561 grams (1.24 lbs).

Take a look at the Olympus E-620 versus Pentax K-01 in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change dependant on the lens you have chosen during that time. Following is the front view size comparison of the E-620 against the K-01.

Using dimensions and weight, the portability grade of the E-620 and K-01 is 71 and 76 respectively.

Quite often, it's hard to visualise the gap between sensor measurements only by going over technical specs. The graphic underneath should offer you a greater sense of the sensor sizing in the E-620 and K-01.

As you have seen, both cameras offer different megapixels and different sensor measurements. The E-620 using its tinier sensor will make getting shallow DOF more difficult and the Pentax K-01 will offer you greater detail with its extra 4MP. Greater resolution can also enable you to crop photos a little more aggressively. The older E-620 is going to be behind when it comes to sensor innovation.