Pentax K-3 vs Sony A65

Here, we are analyzing the Pentax K-3 and Sony A65, one is a Advanced DSLR and the other is a Entry-Level DSLR by competitors Pentax and Sony. The resolution of the K-3 (24MP) and the A65 (24MP) is very similar and both cameras offer the identical sensor sizing (APS-C).

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The K-3 was released 2 years after the A65 which is quite a serious gap as far as tech is concerned. Both the cameras feature different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony A65 being a Compact SLR camera.

Before we go right into a comprehensive comparison, here is a brief highlight of how the K-3 scores against the A65 with respect to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-3 and Sony SLT-A65. The complete galleries are provided at Pentax K-3 Gallery and Sony A65 Gallery.

For anyone who is planning to carry around your camera regularly, you should take into account its weight and size. The Pentax K-3 offers outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) whilst the Sony A65 has specifications of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") and a weight of 622 grams (1.37 lbs).

See the Pentax K-3 and Sony A65 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that time. Following is a front view overall size comparison of the K-3 against the A65.

Using size and weight, the portability score of the K-3 and A65 is 59 and 64 respectively.

Usually, it is hard to envision the difference between sensor sizes just by reading specifications. The pic below might give you a clearer sense of the sensor sizes in the K-3 and A65.

Plainly, the 2 cameras feature the identical sensor size and the same exact megapixels so you should expect similar quality of pictures though you will need to consider the release date of the products into consideration. The newer K-3 will have a benefit in sensor tech.