Pentax K-3 vs Sony A99

Let's look much closer at the Pentax K-3 vs Sony A99, both Advanced DSLR digital cameras by brands Pentax and Sony. The image resolution of the K-3 (24MP) and the A99 (24MP) is fairly well matched but the K-3 (APS-C) and A99 (Full frame) offer totally different sensor sizes.

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The K-3 was revealed 17 months later than the A99 making them a generation apart from each other. Both of the cameras feature the same body design (Mid-size SLR).

Before delving straight to a step-by-step comparison, here is a short summary of how the K-3 matches up versus the A99 in the way of portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Pentax K-3 and Sony SLT-A99. The full galleries are provided at Pentax K-3 Gallery and Sony A99 Gallery.

For those who are planning to lug around your camera regularly, you have to factor in its weight and measurements. The Pentax K-3 has exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Sony A99 has proportions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") along with a weight of 812 grams (1.79 lbs).

Examine the Pentax K-3 vs Sony A99 in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you use at that moment. The following is a front view proportions comparison of the K-3 vs the A99.

Factoring in size and weight, the portability rating of the K-3 and A99 is 59 and 57 respectively.

Usually, it is difficult to see the gap between sensor measurements purely by reading through a spec sheet. The visual here may offer you a far better sense of the sensor sizes in the K-3 and A99.

Clearly, both of those cameras come with the identical resolution but not the same sensor measurements. The K-3 offers the tinier sensor which is going to make obtaining shallower depth of field more difficult. The more recent K-3 is going to have an edge when it comes to sensor technology.