Pentax K-01 vs Sony A33

Let's look a little more closely at the Pentax K-01 vs Sony A33, one being a Entry-Level Mirrorless and the other is a Entry-Level DSLR by rivals Pentax and Sony. The resolution of the K-01 (16MP) and the A33 (14MP) is fairly similar and they come with the exact same sensor sizing (APS-C).

Photography Glossary

The K-01 was unveiled 22 months later than the A33 making the cameras a generation apart from each other. Each of the cameras come with different body type with the Pentax K-01 being a SLR-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before we go in to a step-by-step comparison, below is a brief view of how the K-01 grades vs the A33 in the way of portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Pentax K-01 and Sony SLT-A33. The full galleries are provided at Pentax K-01 Gallery and Sony A33 Gallery.

If you are intending to lug around your camera regularly, you'll need to take into account its weight and volume. The Pentax K-01 provides outer dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs) whilst the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Examine the Pentax K-01 vs Sony A33 in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that moment. Following is the front view size comparison of the K-01 compared to the A33.

Considering size and weight, the portability rating of the K-01 and A33 is 76 and 67 respectively.

Often, it's hard to imagine the contrast between sensor measurements simply by reviewing technical specs. The visual here may give you a clearer sense of the sensor dimensions in the K-01 and A33.

As you have seen, both of those cameras posses the exact same sensor measurements but different megapixels. You should anticipate the Pentax K-01 to deliver greater detail having an extra 2MP. Greater resolution will let you crop photos somewhat more aggressively. The more modern K-01 should have an advantage with regard to sensor technology.