Panasonic G5 vs Sony A58

In this write-up, we will be analyzing the Panasonic G5 versus Sony A58, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by brands Panasonic and Sony. The image resolution of the G5 (16MP) and the A58 (20MP) is pretty well matched but the G5 (Four Thirds) and A58 (APS-C) come with different sensor sizes.

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The G5 was introduced 16 months before the A58 which makes the cameras a generation away from each other. The two cameras offer different body type with the Panasonic G5 being a SLR-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before getting in to a full comparison, below is a simple summary of how the G5 matches up against the A58 in regards to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Panasonic Lumix DMC-G5 and Sony SLT-A58. The whole galleries are available at Panasonic G5 Gallery and Sony A58 Gallery.

For anybody who is planning to carry around your camera, you should factor its weight and dimensions. The Panasonic G5 features physical dimensions of 120mm x 83mm x 71mm (4.7" x 3.3" x 2.8") and a weight of 396 grams (0.87 lbs) and the Sony A58 has dimensions of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

Analyze the Panasonic G5 versus Sony A58 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are using during that time. Following is the front view dimension comparison of the G5 against the A58.

Factoring in size and weight, the portability score of the G5 and A58 is 74 and 68 respectively.

Oftentimes, it's hard to visualize the contrast between sensor sizes only by checking specs. The pic underneath should provide you a much better sense of the sensor sizes in the G5 and A58.

As you can plainly see, each of these cameras offer different megapixel count and different sensor sizes. The G5 using its tinier sensor is going to make getting shallower DOF trickier and the Sony A58 will resolve more detail using its extra 4MP. Higher resolution will also allow you to crop shots a little more aggressively. The more aged G5 is going to be disadvantaged with regard to sensor tech.