Sony A100 vs Sony a5100

Here, we will be reviewing the Sony A100 vs Sony a5100, one being a Entry-Level DSLR and the latter is a Entry-Level Mirrorless and both are produced by Sony. There is a big difference among the resolutions of the A100 (10MP) and a5100 (24MP) but both cameras offer the identical sensor dimensions (APS-C).

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The A100 was introduced 9 years earlier than the a5100 and that is a fairly big gap as far as camera tech is concerned. Both of the cameras feature different body design with the Sony A100 being a Compact SLR camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before we go right into a thorough comparison, here is a quick view of how the A100 matches up against the a5100 with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Sony Alpha DSLR-A100 and Sony Alpha a5100. The whole galleries are viewable at Sony A100 Gallery and Sony a5100 Gallery.

If you're planning to carry your camera regularly, you will need to think about its weight and measurements. The Sony A100 provides external measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") along with a weight of 638 grams (1.41 lbs) and the Sony a5100 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") accompanied by a weight of 283 grams (0.62 lbs).

Contrast the Sony A100 vs Sony a5100 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at the time. The following is a front view measurement comparison of the A100 compared to the a5100.

Considering size and weight, the portability score of the A100 and a5100 is 64 and 89 respectively.

Oftentimes, it is very hard to visualize the contrast in sensor sizing only by researching specs. The photograph below should offer you a better sense of the sensor sizing in the A100 and a5100.

As you can plainly see, the two cameras come with the identical sensor size albeit different megapixels. You should expect the Sony a5100 to provide you with more detail using its extra 14 Megapixels. Higher resolution can also enable you to crop pictures a good deal more aggressively. The older A100 will be behind in sensor technology.