Sony NEX-3 vs Sony A58

Here is a thorough overview of the Sony NEX-3 and Sony A58, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR and they are both designed by Sony. There is a sizable difference among the sensor resolutions of the NEX-3 (14MP) and A58 (20MP) but they enjoy the same exact sensor measurements (APS-C).

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The NEX-3 was introduced 4 years earlier than the A58 and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras offer different body type with the Sony NEX-3 being a Rangefinder-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before going through a step-by-step comparison, below is a short view of how the NEX-3 grades vs the A58 with regard to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Sony Alpha NEX-3 & Sony SLT-A58. The whole galleries are available at Sony NEX-3 Gallery & Sony A58 Gallery.

For those who are aiming to carry your camera often, you'll need to factor its weight and measurements. The Sony NEX-3 comes with external measurements of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") with a weight of 297 grams (0.65 lbs) while the Sony A58 has proportions of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") and a weight of 492 grams (1.08 lbs).

Look at the Sony NEX-3 and Sony A58 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you use at that moment. Following is the front view measurement comparison of the NEX-3 compared to the A58.

Considering size and weight, the portability rating of the NEX-3 and A58 is 89 and 68 respectively.

In many cases, it can be tough to visualise the difference in sensor sizing simply by researching a spec sheet. The visual below will give you a clearer sense of the sensor sizing in the NEX-3 and A58.

Clearly, both of these cameras enjoy the same exact sensor sizing but not the same MP. You can expect to see the Sony A58 to provide you with extra detail using its extra 6MP. Greater resolution will also help you crop images far more aggressively. The older NEX-3 will be disadvantaged in sensor tech.