Pentax K20D vs Sony A7c

Below, we will be evaluating the Pentax K20D and Sony A7c, former is a Advanced DSLR while the latter is a Advanced Mirrorless by rivals Pentax and Sony. There is a large difference among the resolutions of the K20D (15MP) and A7c (24MP) and the K20D (APS-C) and A7c (Full frame) use totally different sensor size.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The K20D was launched 13 years earlier than the A7c which is a fairly serious difference as far as camera tech is concerned. Both of the cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before delving through a full comparison, below is a short summation of how the K20D matches up versus the A7c in terms of portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Pentax K20D & Sony Alpha A7c. The complete galleries are available at Pentax K20D Gallery & Sony A7c Gallery.

For anyone who is intending to carry around your camera regularly, you should factor in its weight and measurements. The Pentax K20D provides outside dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) and the Sony A7c has proportions of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") along with a weight of 509 grams (1.12 lbs).

Examine the Pentax K20D and Sony A7c in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change depending on the lens you have attached during that time. Underneath is the front view measurements comparison of the K20D compared to the A7c.

Taking into consideration size and weight, the portability rating of the K20D and A7c is 59 and 78 respectively.

Oftentimes, it is very tough to visualise the difference in sensor sizes purely by researching specs. The pic here should offer you a clearer sense of the sensor sizes in the K20D and A7c.

As you can plainly see, both of these cameras posses different megapixels and different sensor sizes. The K20D due to its smaller sensor will make getting bokeh tougher and the Sony A7c will provide you with more detail utilizing its extra 9 Megapixels. Higher resolution will make it easier to crop pictures somewhat more aggressively. The more aged K20D will be disadvantaged in sensor tech.