Pentax K-01 vs Sony A9 II

Let's take a closer look at the Pentax K-01 versus Sony A9 II, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by rivals Pentax and Sony. There is a noticeable difference among the image resolutions of the K-01 (16MP) and A9 II (24MP) and the K-01 (APS-C) and A9 II (Full frame) posses totally different sensor dimensions.

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The K-01 was released 8 years prior to the A9 II and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras have the same body design (SLR-style mirrorless).

Before diving right into a comprehensive comparison, here is a simple view of how the K-01 grades against the A9 II in regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Pentax K-01 & Sony Alpha A9 Mark II. The complete galleries are viewable at Pentax K-01 Gallery & Sony A9 II Gallery.

For those who are planning to lug around your camera often, you are going to need to factor in its weight and size. The Pentax K-01 comes with physical dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs) while the Sony A9 II has specifications of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") with a weight of 678 grams (1.49 lbs).

Take a look at the Pentax K-01 versus Sony A9 II in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you are utilising at that time. Here is a front view measurements comparison of the K-01 versus the A9 II.

Factoring in size and weight, the portability rating of the K-01 and A9 II is 76 and 62 respectively.

In many cases, it can be hard to see the contrast in sensor measurements purely by seeing a spec sheet. The graphic underneath might give you a far better sense of the sensor sizes in the K-01 and A9 II.

As you can see, both of the cameras have different resolutions and different sensor measurements. The K-01 due to its smaller sensor will make achieving shallow DOF more difficult and the Sony A9 II will produce more detail as a result of its extra 8MP. Higher resolution will also help you crop photographs a bit more aggressively. The older K-01 will be behind when it comes to sensor innovation.