Pentax K-500 vs Sony A7R IV

On this page, we are evaluating the Pentax K-500 vs Sony A7R IV, one is a Entry-Level DSLR and the other is a Pro Mirrorless by brands Pentax and Sony. There exists a big gap between the sensor resolutions of the K-500 (16MP) and A7R IV (61MP) and the K-500 (APS-C) and A7R IV (Full frame) have different sensor sizing.

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The K-500 was revealed 6 years before the A7R IV which is quite a big gap as far as technology is concerned. Both of these cameras have different body design with the Pentax K-500 being a Compact SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before getting into a detailed comparison, here is a concise introduction of how the K-500 grades vs the A7R IV for portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Pentax K-500 and Sony Alpha A7R IV. The full galleries are viewable at Pentax K-500 Gallery and Sony A7R IV Gallery.

When you are aiming to travel with your camera often, you will have to factor its weight and proportions. The Pentax K-500 enjoys external dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") accompanied by a weight of 646 grams (1.42 lbs) and the Sony A7R IV has measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Check the Pentax K-500 vs Sony A7R IV in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at the time. Underneath is a front view physical size comparison of the K-500 vs the A7R IV.

Factoring in dimensions and weight, the portability rating of the K-500 and A7R IV is 64 and 62 respectively.

Typically, it can be tough to picture the contrast between sensor dimensions only by going over specifications. The pic underneath should provide you a better sense of the sensor dimensions in the K-500 and A7R IV.

Plainly, the two cameras have different resolutions and different sensor dimensions. The K-500 using its tinier sensor is going to make achieving shallow depth of field more challenging and the Sony A7R IV will deliver greater detail because of its extra 45 Megapixels. Greater resolution will also make it easier to crop photos a bit more aggressively. The more aged K-500 is going to be behind with regard to sensor tech.