Sony A7 III vs Sony NEX-7

Following is a in-depth overview of the Sony A7 III versus Sony NEX-7, former is a Pro Mirrorless while the other is a Advanced Mirrorless and they are both manufactured by Sony. The sensor resolution of the A7 III (24MP) and the NEX-7 (24MP) is fairly well matched but the A7 III (Full frame) and NEX-7 (APS-C) boast totally different sensor dimensions.

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The A7 III was brought out 6 years after the NEX-7 which is quite a serious difference as far as tech is concerned. Both of these cameras have different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before delving straight to a in depth comparison, here is a short summary of how the A7 III matches up against the NEX-7 in regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Sony Alpha A7 III & Sony Alpha NEX-7. The entire galleries are provided at Sony A7 III Gallery & Sony NEX-7 Gallery.

If you are going to carry around your camera frequently, you will need to consider its weight and dimensions. The Sony A7 III offers outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs) and the Sony NEX-7 has dimensions of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") accompanied by a weight of 400 grams (0.88 lbs).

Contrast the Sony A7 III versus Sony NEX-7 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you are working with at that time. The following is a front view measurement comparison of the A7 III against the NEX-7.

Using size and weight, the portability rating of the A7 III and NEX-7 is 63 and 84 respectively.

Generally, it is very tough to visualise the gap between sensor sizes only by reading through a spec sheet. The image here should provide you a more clear sense of the sensor measurements in the A7 III and NEX-7.

As you can see, the 2 cameras provide the same MP but not the same sensor sizes. The A7 III features the larger sensor which should make achieving shallow depth of field simpler. The younger A7 III is going to have an edge in sensor innovation.