Olympus E-330 vs Pentax K-01

Its time to take a closer look at the Olympus E-330 and Pentax K-01, former is a Advanced DSLR while the other is a Entry-Level Mirrorless by manufacturers Olympus and Pentax. There is a large difference among the image resolutions of the E-330 (7MP) and K-01 (16MP) and the E-330 (Four Thirds) and K-01 (APS-C) posses totally different sensor size.

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The E-330 was manufactured 7 years earlier than the K-01 which is a fairly serious difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-330 being a Mid-size SLR camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before diving into a complete comparison, here is a short highlight of how the E-330 scores vs the K-01 in relation to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus E-330 & Pentax K-01. The entire galleries are available at Olympus E-330 Gallery & Pentax K-01 Gallery.

In case you're looking to travel with your camera regularly, you have to take into account its weight and size. The Olympus E-330 comes with exterior dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") with a weight of 616 grams (1.36 lbs) whilst the Pentax K-01 has specifications of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs).

Contrast the Olympus E-330 and Pentax K-01 in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you have attached during that time. The following is a front view measurement comparison of the E-330 against the K-01.

Factoring in size and weight, the portability score of the E-330 and K-01 is 65 and 76 respectively.

Oftentimes, it's hard to visualise the difference in sensor dimensions just by looking through specs. The picture below should provide you a better sense of the sensor sizes in the E-330 and K-01.

As you can plainly see, both of the cameras feature different resolutions and different sensor dimensions. The E-330 featuring a smaller sensor will make achieving shallower DOF more challenging and the Pentax K-01 will result in greater detail due to its extra 9MP. Greater resolution will also allow you to crop pics way more aggressively. The more aged E-330 will be disadvantaged in sensor tech.