Sigma fp vs Sony A7R III

Its time to look more closely at the Sigma fp vs Sony A7R III, former being a Advanced Mirrorless while the latter is a Pro Mirrorless by rivals Sigma and Sony. There exists a sizable gap between the image resolutions of the fp (25MP) and A7R III (42MP) but both cameras have the identical sensor sizing (Full frame).

Photography Glossary

The fp was unveiled 21 months later than the A7R III which makes them a generation apart from one another. Each of these cameras feature different body design with the Sigma fp being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving into a thorough comparison, here is a brief synopsis of how the fp grades vs the A7R III when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Sigma fp & Sony Alpha A7R III. The full galleries are viewable at Sigma fp Gallery & Sony A7R III Gallery.

For anyone who is intending to carry your camera, you'll need to factor its weight and size. The Sigma fp features outer dimensions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") with a weight of 422 grams (0.93 lbs) and the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Take a look at the Sigma fp vs Sony A7R III in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you have at the time. Following is a front view over all size comparison of the fp vs the A7R III.

Taking into consideration dimensions and weight, the portability score of the fp and A7R III is 84 and 63 respectively.

Sometimes, it is difficult to picture the difference between sensor sizing simply by going over specifications. The visual underneath will help offer you a greater sense of the sensor sizes in the fp and A7R III.

To sum up, both cameras feature the identical sensor size albeit different megapixels. You can expect the Sony A7R III to deliver more detail having an extra 17MP. Higher resolution will help you crop pictures way more aggressively. The newer fp should have an advantage with regard to sensor technology.