Pentax K-3 II vs Sony A300

Here, we are looking at the Pentax K-3 II and Sony A300, former is a Advanced DSLR while the other is a Entry-Level DSLR by companies Pentax and Sony. There is a substantial difference among the sensor resolutions of the K-3 II (24MP) and A300 (10MP) but both cameras offer the identical sensor dimensions (APS-C).

Photography Glossary

The K-3 II was brought out 7 years after the A300 which is a fairly big difference as far as camera tech is concerned. Each of the cameras feature different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony A300 being a Compact SLR camera.

Before delving right into a detailed comparison, here is a short summary of how the K-3 II matches up versus the A300 in relation to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Pentax K-3 II & Sony Alpha DSLR-A300. The entire galleries are available at Pentax K-3 II Gallery & Sony A300 Gallery.

If you're looking to carry around your camera often, you'll need to think about its weight and measurements. The Pentax K-3 II features outside dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) while the Sony A300 has proportions of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") with a weight of 632 grams (1.39 lbs).

Compare the Pentax K-3 II and Sony A300 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary based on the lens you select at that time. The following is a front view dimension comparison of the K-3 II compared to the A300.

Looking at size and weight, the portability score of the K-3 II and A300 is 59 and 64 respectively.

Oftentimes, it can be tough to see the difference in sensor sizes simply by checking out a spec sheet. The pic underneath should offer you a more clear sense of the sensor sizes in the K-3 II and A300.

As you can see, the 2 cameras feature the identical sensor size but not the same megapixels. You can expect to see the Pentax K-3 II to produce more detail having its extra 14 Megapixels. Greater resolution will also allow you to crop images way more aggressively. The more recent K-3 II is going to have an advantage when it comes to sensor technology.