Nikon D3100 vs Sony A58

Lets look more closely at the Nikon D3100 and Sony A58, both Entry-Level DSLR digital cameras by brands Nikon and Sony. There is a large difference between the resolutions of the D3100 (14MP) and A58 (20MP) but both cameras offer the identical sensor dimensions (APS-C).

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The D3100 was introduced 3 years before the A58 and that is quite a serious difference as far as tech is concerned. Both of these cameras feature the same body design (Compact SLR).

Before diving straight to a full comparison, here is a brief overview of how the D3100 scores vs the A58 with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Nikon D3100 & Sony SLT-A58. The whole galleries are available at Nikon D3100 Gallery & Sony A58 Gallery.

In case you're going to carry your camera regularly, you will need to think about its weight and dimensions. The Nikon D3100 offers outside dimensions of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") accompanied by a weight of 505 grams (1.11 lbs) while the Sony A58 has dimensions 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 Nikon D3100 and Sony A58 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you are utilizing during that time. Underneath is a front view measurements comparison of the D3100 against the A58.

Taking into consideration size and weight, the portability grade of the D3100 and A58 is 68 and 68 respectively.

Oftentimes, its hard to imagine the contrast between sensor sizing simply by looking at specs. The graphic underneath will help offer you a far better sense of the sensor sizes in the D3100 and A58.

As you can plainly see, both of these cameras come with the identical sensor size albeit different MP. You can expect the Sony A58 to give extra detail using its extra 6MP. Higher resolution will help you crop photographs a good deal more aggressively. The older D3100 is going to be disadvantaged in sensor innovation.