Sony A7S vs Sony A100

On this page, we are comparing the Sony A7S and Sony A100, one being a Pro Mirrorless and the other is a Entry-Level DSLR and both of them are created by Sony. The image resolution of the A7S (12MP) and the A100 (10MP) is very close but the A7S (Full frame) and A100 (APS-C) have totally different sensor size.

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The A7S was brought out 7 years later than the A100 and that is a fairly significant gap as far as camera tech is concerned. Both cameras have different body design with the Sony A7S being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before we go into a thorough comparison, here is a brief view of how the A7S grades versus the A100 in the way of portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Sony Alpha A7S and Sony Alpha DSLR-A100. The entire galleries are provided at Sony A7S Gallery and Sony A100 Gallery.

For anyone who is aiming to carry your camera often, you're going to have to take into account its weight and dimensions. The Sony A7S enjoys outer measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 489 grams (1.08 lbs) whilst the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).

Compare the Sony A7S and Sony A100 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. Following is a front view over all size comparison of the A7S against the A100.

Taking into account size and weight, the portability rating of the A7S and A100 is 77 and 64 respectively.

Generally, it is very hard to envision the contrast in sensor sizing simply by looking through specs. The photograph underneath may offer you a greater sense of the sensor measurements in the A7S and A100.

All in all, each of the cameras provide different megapixel count and different sensor sizing. The A7S due to its larger sensor will make getting shallow DOF simpler and the Sony A7S will render greater detail having its extra 2 Megapixels. Greater resolution will also allow you to crop pics more aggressively. The more recent A7S will have an edge when it comes to sensor innovation.