Pentax K-3 III vs Pentax K-5 II

In this write-up, we will be analyzing the Pentax K-3 III versus Pentax K-5 II, both Advanced DSLR digital cameras and they are both offered by Pentax. There exists a significant gap between the image resolutions of the K-3 III (26MP) and K-5 II (16MP) but they possess the same exact sensor sizes (APS-C).

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The K-3 III was introduced 7 years later than the K-5 II and that is quite a sizable gap as far as technology is concerned. Both of these cameras offer the identical body type (Mid-size SLR).

Before going through a full comparison, below is a simple overview of how the K-3 III matches up versus the K-5 II in terms of portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Pentax K-3 Mark III and Pentax K-5 II. The whole galleries are viewable at Pentax K-3 III Gallery and Pentax K-5 II Gallery.

If you're intending to carry your camera frequently, you are going to need to think about its weight and dimensions. The Pentax K-3 III provides physical measurements of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") accompanied by a weight of 820 grams (1.81 lbs) whilst the Pentax K-5 II has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs).

Check the Pentax K-3 III versus Pentax K-5 II in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that time. Below is the front view over all size comparison of the K-3 III compared to the K-5 II.

Using dimensions and weight, the portability score of the K-3 III and K-5 II is 58 and 60 respectively.

More often than not, it's hard to imagine the difference between sensor sizing only by going over specifications. The photograph below might provide you a far better sense of the sensor measurements in the K-3 III and K-5 II.

Plainly, both of those cameras enjoy the same exact sensor sizing albeit different resolution. You should expect the Pentax K-3 III to offer greater detail using its extra 10MP. Higher resolution can also enable you to crop shots far more aggressively. The younger K-3 III provides a benefit when it comes to sensor tech.