Pentax K-01 vs Sony A77 II

Below is a in-depth analysis of the Pentax K-01 vs Sony A77 II, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by competitors Pentax and Sony. There is a large difference between the sensor resolutions of the K-01 (16MP) and A77 II (24MP) but both cameras offer the same sensor dimensions (APS-C).

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The K-01 was unveiled 24 months earlier than the A77 II which makes them a generation apart from each other. Both cameras have different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before going right into a thorough comparison, here is a simple overview of how the K-01 scores against the A77 II for portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Pentax K-01 & Sony SLT-A77 II. The full galleries are available at Pentax K-01 Gallery & Sony A77 II Gallery.

If you are intending to lug around your camera often, you will need to consider its weight and dimensions. The Pentax K-01 has outer measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs) and the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 647 grams (1.43 lbs).

Look at the Pentax K-01 vs Sony A77 II in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you use at the time. Following is a front view scale comparison of the K-01 compared to the A77 II.

Looking at size and weight, the portability score of the K-01 and A77 II is 76 and 62 respectively.

Oftentimes, it is very difficult to envision the difference between sensor measurements simply by reviewing technical specs. The visual here should give you a stronger sense of the sensor sizing in the K-01 and A77 II.

As you have seen, each of these cameras have the same sensor dimensions albeit not the same resolution. You can count on the Sony A77 II to deliver extra detail having an extra 8MP. Higher resolution will also allow you to crop shots a bit more aggressively. The older K-01 is going to be behind with regard to sensor innovation.