Pentax K-01 vs Sony A7R

In this write-up, we are evaluating the Pentax K-01 vs Sony A7R, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There is a sizable difference between the image resolutions of the K-01 (16MP) and A7R (36MP) and the K-01 (APS-C) and A7R (Full frame) use different sensor sizes.

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The K-01 was revealed 20 months prior to the A7R making the cameras a generation away from each other. Both cameras offer the identical body type (SLR-style mirrorless).

Before getting straight into a full comparison, below is a short summation of how the K-01 scores against the A7R with respect to portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Pentax K-01 & Sony Alpha A7R. The full galleries are provided at Pentax K-01 Gallery & Sony A7R Gallery.

If you're planning to travel with your camera, you will want to factor its weight and dimensions. The Pentax K-01 has external measurements 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 A7R has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 465 grams (1.03 lbs).

Examine the Pentax K-01 vs Sony A7R in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are employing at that time. Here is the front view physical size comparison of the K-01 compared to the A7R.

Taking into consideration size and weight, the portability rating of the K-01 and A7R is 76 and 78 respectively.

Usually, its tough to imagine the contrast between sensor dimensions only by reading specifications. The image underneath will offer you a far better sense of the sensor measurements in the K-01 and A7R.

Plainly, both of these cameras offer different megapixels and different sensor dimensions. The K-01 with its tinier sensor is going to make getting shallower depth of field harder and the Sony A7R will offer you extra detail because of its extra 20MP. Greater resolution will also allow you to crop images a little more aggressively. The more aged K-01 is going to be disadvantaged with regard to sensor technology.