Pentax K-3 II vs Sony A7c

Here, we are reviewing the Pentax K-3 II and Sony A7c, former is a Advanced DSLR while the other is a Advanced Mirrorless by competitors Pentax and Sony. The image resolution of the K-3 II (24MP) and the A7c (24MP) is fairly similar but the K-3 II (APS-C) and A7c (Full frame) boast totally different sensor size.

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The K-3 II was launched 6 years before the A7c which is quite a big difference as far as technology is concerned. Both of the cameras feature different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before getting straight to a detailed comparison, here is a brief synopsis of how the K-3 II matches up versus the A7c in terms of portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Pentax K-3 II & Sony Alpha A7c. The complete galleries are viewable at Pentax K-3 II Gallery & Sony A7c Gallery.

For anybody who is looking to carry around your camera often, you need to consider its weight and volume. The Pentax K-3 II has got physical measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) and the Sony A7c has sizing of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).

Check out the Pentax K-3 II and Sony A7c in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you are using during that time. Below is a front view scale comparison of the K-3 II and the A7c.

Factoring in dimensions and weight, the portability rating of the K-3 II and A7c is 59 and 78 respectively.

More often than not, it is difficult to visualise the contrast between sensor sizes just by reading a spec sheet. The image below will offer you a more clear sense of the sensor measurements in the K-3 II and A7c.

Clearly, each of these cameras come with the identical megapixel count but not the same sensor sizes. The K-3 II offers the tinier sensor which should make getting shallower depth of field more challenging. The more aged K-3 II is going to be behind in sensor technology.