Nikon D5100 vs Sony A37

Following is a extensive analysis of the Nikon D5100 and Sony A37, both Entry-Level DSLR cameras by manufacturers Nikon and Sony. The resolution of the D5100 (16MP) and the A37 (16MP) is very comparable and they possess the same exact sensor sizing (APS-C).

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The D5100 was announced 12 months earlier than the A37 so they are of a similar generation. Each of these cameras offer the identical body type (Compact SLR).

Before getting through a in-depth comparison, below is a concise overview of how the D5100 matches up vs the A37 for portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Nikon D5100 and Sony SLT-A37. The whole galleries are viewable at Nikon D5100 Gallery and Sony A37 Gallery.

In case you're intending to carry around your camera frequently, you will need to think about its weight and volume. The Nikon D5100 features external dimensions of 128mm x 97mm x 79mm (5.0" x 3.8" x 3.1") accompanied by a weight of 560 grams (1.23 lbs) while the Sony A37 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 506 grams (1.12 lbs).

Take a look at the Nikon D5100 and Sony A37 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Underneath is the front view overall size comparison of the D5100 and the A37.

Taking into account dimensions and weight, the portability rating of the D5100 and A37 is 66 and 67 respectively.

More often than not, its difficult to picture the difference in sensor sizes purely by going through specifications. The picture underneath might provide you a more clear sense of the sensor dimensions in the D5100 and A37.

Plainly, both the cameras enjoy the same exact sensor sizing and the same resolution so you should expect comparable quality of images but you should factor the production date of the cameras into account. The more aged D5100 will be behind when it comes to sensor innovation.