Sony A100 vs Sony A58

The following is a extended review of the Sony A100 versus Sony A58, both Entry-Level DSLR digital cameras and both of them are designed by Sony. There is a sizeable difference between the resolutions of the A100 (10MP) and A58 (20MP) but both cameras offer the same sensor measurements (APS-C).

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The A100 was announced 8 years before the A58 which is quite a large gap as far as tech is concerned. Both of the cameras have the same body design (Compact SLR).

Before going straight to a more detailed comparison, here is a brief summary of how the A100 matches up vs the A58 in the way of portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Sony Alpha DSLR-A100 and Sony SLT-A58. The whole galleries are provided at Sony A100 Gallery and Sony A58 Gallery.

If you are aiming to travel with your camera, you are going to need to take into account its weight and volume. The Sony A100 provides outer measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs) while the Sony A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") and a weight of 492 grams (1.08 lbs).

Contrast the Sony A100 versus Sony A58 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that moment. Here is a front view overall size comparison of the A100 compared to the A58.

Taking into consideration size and weight, the portability rating of the A100 and A58 is 64 and 68 respectively.

Oftentimes, it's hard to envision the gap between sensor dimensions only by reading specs. The pic below will give you a more clear sense of the sensor sizing in the A100 and A58.

As you can plainly see, both of those cameras have the same sensor dimensions albeit not the same megapixels. You should expect the Sony A58 to offer greater detail with its extra 10MP. Higher resolution will also make it easier to crop photographs a bit more aggressively. The more aged A100 is going to be disadvantaged in sensor technology.