Pentax K-01 vs Sony A77

Lets look a bit more closely at the Pentax K-01 vs Sony A77, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by brands Pentax and Sony. There is a substantial difference between the image resolutions of the K-01 (16MP) and A77 (24MP) but both cameras posses the same sensor sizing (APS-C).

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The K-01 was introduced 8 months after the A77 so they are of a similar age. Each of these cameras have different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before diving into a more detailed comparison, here is a brief summary of how the K-01 scores against the A77 when considering portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Pentax K-01 & Sony SLT-A77. The whole galleries are provided at Pentax K-01 Gallery & Sony A77 Gallery.

If you are looking to travel with your camera regularly, you will need to think about its weight and volume. The Pentax K-01 has physical measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") along with a weight of 561 grams (1.24 lbs) and the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Check the Pentax K-01 vs Sony A77 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you are using at the time. Following is a front view dimensions comparison of the K-01 compared to the A77.

Using size and weight, the portability grade of the K-01 and A77 is 76 and 59 respectively.

Often, its tough to visualize the gap between sensor dimensions purely by going over technical specs. The pic here should offer you a far better sense of the sensor sizing in the K-01 and A77.

As you can tell, both the cameras have the same sensor dimensions albeit different megapixels. You can expect the Sony A77 to deliver extra detail using its extra 8 Megapixels. Higher resolution can also allow you to crop photographs a bit more aggressively. The fresher K-01 provides an advantage when it comes to sensor tech.