Sigma fp vs Sony A7 III

In this write-up, we are looking at the Sigma fp versus Sony A7 III, one is a Advanced Mirrorless and the other is a Pro Mirrorless by brands Sigma and Sony. The sensor resolution of the fp (25MP) and the A7 III (24MP) is fairly well matched and they possess the same exact sensor size (Full frame).

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The fp was brought out 17 months after the A7 III making the cameras a generation away from one another. Each of these cameras offer different body type with the Sigma fp being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving straight into a in-depth comparison, below is a quick summary of how the fp scores versus the A7 III in regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Sigma fp and Sony Alpha A7 III. The entire galleries are provided at Sigma fp Gallery and Sony A7 III Gallery.

If you are aiming to carry around your camera frequently, you need to consider its weight and proportions. The Sigma fp features exterior dimensions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") with a weight of 422 grams (0.93 lbs) whilst the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs).

Contrast the Sigma fp versus Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that time. Underneath is the front view sizing comparison of the fp and the A7 III.

Taking into account dimensions and weight, the portability score of the fp and A7 III is 84 and 63 respectively.

Sometimes, it is tough to picture the difference between sensor sizes merely by checking technical specs. The pic here may give you a much better sense of the sensor sizes in the fp and A7 III.

As you have seen, the two cameras offer the same exact sensor sizing but different megapixels. You should anticipate the Sigma fp to give greater detail having its extra 1 Megapixels. Greater resolution will also make it easier to crop images a little more aggressively. The fresher fp provides a benefit when it comes to sensor innovation.