Nikon D3100 vs Sony A290

Here, we are contrasting the Nikon D3100 vs Sony A290, both Entry-Level DSLR digital cameras by manufacturers Nikon and Sony. The image resolution of the D3100 (14MP) and the A290 (14MP) is fairly well matched and both cameras have the identical sensor dimensions (APS-C).

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The D3100 was launched 7 months later than the A290 which means that they are both of a similar generation. Both cameras feature the same body design (Compact SLR).

Before diving right into a detailed comparison, here is a brief summary of how the D3100 scores versus the A290 for portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Nikon D3100 and Sony Alpha DSLR-A290. The complete galleries are viewable at Nikon D3100 Gallery and Sony A290 Gallery.

If you are intending to carry your camera regularly, you have to take into account its weight and volume. The Nikon D3100 comes with outside measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") and a weight of 505 grams (1.11 lbs) while the Sony A290 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs).

Contrast the Nikon D3100 vs Sony A290 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at the time. Underneath is a front view dimensions comparison of the D3100 versus the A290.

Considering size and weight, the portability grade of the D3100 and A290 is 68 and 66 respectively.

Oftentimes, it is difficult to see the contrast between sensor sizing simply by reading through a spec sheet. The photograph underneath will help offer you a stronger sense of the sensor measurements in the D3100 and A290.

As you can see, the two cameras come with the identical sensor size and the exact same resolution therefore you should expect similar quality of photographs though you should really take the release date of the products into consideration. The more recent D3100 is going to have a benefit in sensor innovation.