Olympus E-420 vs Pentax K-01

Let's take a closer look at the Olympus E-420 versus Pentax K-01, former is a Entry-Level DSLR while the other is a Entry-Level Mirrorless by competitors Olympus and Pentax. There is a noticeable difference between the resolutions of the E-420 (10MP) and K-01 (16MP) and the E-420 (Four Thirds) and K-01 (APS-C) possess different sensor measurements.

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The E-420 was announced 4 years before the K-01 which is quite a sizable difference as far as tech is concerned. Each of these cameras offer different body type with the Olympus E-420 being a Compact SLR camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before delving through a more detailed comparison, below is a short highlight of how the E-420 grades vs the K-01 when it comes to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus E-420 & Pentax K-01. The whole galleries are provided at Olympus E-420 Gallery & Pentax K-01 Gallery.

If you're aiming to travel with your camera frequently, you need to factor in its weight and volume. The Olympus E-420 has got external measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") along with a weight of 426 grams (0.94 lbs) while the Pentax K-01 has sizing of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs).

Compare the Olympus E-420 versus Pentax K-01 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change depending on the lens you are employing at the time. Below is the front view dimensions comparison of the E-420 compared to the K-01.

Considering size and weight, the portability score of the E-420 and K-01 is 77 and 76 respectively.

Usually, it can be difficult to visualize the contrast between sensor dimensions purely by looking at technical specs. The image below will provide you a better sense of the sensor measurements in the E-420 and K-01.

As you can tell, each of the cameras enjoy different megapixels and different sensor dimensions. The E-420 having a tinier sensor is going to make achieving shallower depth of field harder and the Pentax K-01 will resolve greater detail with its extra 6 Megapixels. Greater resolution will also let you crop images far more aggressively. The more aged E-420 is going to be behind in sensor tech.