Sony A7 vs Sony A100

Lets look more closely at the Sony A7 vs Sony A100, one is a Pro Mirrorless and the latter is a Entry-Level DSLR and they are both produced by Sony. There is a significant difference between the image resolutions of the A7 (24MP) and A100 (10MP) and the A7 (Full frame) and A100 (APS-C) boast totally different sensor sizing.

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The A7 was revealed 7 years after the A100 which is quite a sizable gap as far as tech is concerned. Each of the cameras have different body design with the Sony A7 being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before diving right into a full comparison, here is a concise overview of how the A7 matches up versus the A100 with regard to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sony Alpha A7 and Sony Alpha DSLR-A100. The full galleries are provided at Sony A7 Gallery and Sony A100 Gallery.

For anyone who is planning to travel with your camera, you are going to need to consider its weight and proportions. The Sony A7 enjoys outside dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 474 grams (1.04 lbs) and the Sony A100 has measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Check out the Sony A7 vs Sony A100 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that moment. Here is a front view overall size comparison of the A7 against the A100.

Using size and weight, the portability grade of the A7 and A100 is 78 and 64 respectively.

In many cases, it is very difficult to envision the contrast between sensor dimensions only by reading technical specs. The image here will help offer you a far better sense of the sensor sizes in the A7 and A100.

As you have seen, the 2 cameras provide different megapixels and different sensor dimensions. The A7 with its bigger sensor will make achieving shallower DOF simpler and the Sony A7 will offer you more detail because of its extra 14MP. Higher resolution can also allow you to crop shots more aggressively. The newer A7 is going to have an advantage in sensor innovation.