Pentax P70 vs Sony A58

The following is a in-depth review of the Pentax P70 vs Sony A58, one is a Ultracompact and the other is a Entry-Level DSLR by brands Pentax and Sony. There is a crucial difference between the image resolutions of the P70 (12MP) and A58 (20MP) and the P70 (1/2.3") and A58 (APS-C) posses totally different sensor size.

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The P70 was revealed 5 years before the A58 which is quite a serious gap as far as tech is concerned. Both of the cameras feature different body design with the Pentax P70 being a Ultracompact camera and the Sony A58 being a Compact SLR camera.

Before delving straight to a step-by-step comparison, here is a concise summary of how the P70 grades against the A58 for portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Pentax Optio P70 and Sony SLT-A58. The full galleries are available at Pentax P70 Gallery and Sony A58 Gallery.

If you are intending to travel with your camera frequently, you are going to need to consider its weight and proportions. The Pentax P70 comes with external measurements of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") having a weight of 155 grams (0.34 lbs) while the Sony A58 has measurements of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") and a weight of 492 grams (1.08 lbs).

Check out the Pentax P70 vs Sony A58 in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that moment. The following is a front view physical size comparison of the P70 versus the A58.

Using size and weight, the portability score of the P70 and A58 is 95 and 68 respectively.

Usually, it's tough to envision the contrast between sensor dimensions just by looking at specifications. The pic here will help offer you a much better sense of the sensor measurements in the P70 and A58.

Plainly, the two cameras come with different resolutions and different sensor dimensions. The P70 using its tinier sensor will make getting shallower DOF trickier and the Sony A58 will give greater detail because of its extra 8 Megapixels. Greater resolution will also help you crop pics a good deal more aggressively. The more aged P70 is going to be behind with regard to sensor technology.