Ricoh GXR Mount A12 vs Sigma fp

On this page, we are looking at the Ricoh GXR Mount A12 versus Sigma fp, one is a Entry-Level Mirrorless and the other is a Advanced Mirrorless by rivals Ricoh and Sigma. There is a crucial difference between the sensor resolutions of the GXR Mount A12 (12MP) and fp (25MP) and the GXR Mount A12 (APS-C) and fp (Full frame) boast totally different sensor measurements.

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The GXR Mount A12 was unveiled 9 years before the fp which is quite a serious gap as far as tech is concerned. The two cameras have the same body design (Rangefinder-style mirrorless).

Before going straight to a thorough comparison, here is a brief view of how the GXR Mount A12 grades against the fp in regards to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Ricoh GXR Mount A12 and Sigma fp. The full galleries are available at Ricoh GXR Mount A12 Gallery and Sigma fp Gallery.

For anybody who is planning to carry around your camera, you need to consider its weight and proportions. The Ricoh GXR Mount A12 features outside dimensions of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") along with a weight of 370 grams (0.82 lbs) whilst the Sigma fp has measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") accompanied by a weight of 422 grams (0.93 lbs).

See the Ricoh GXR Mount A12 versus Sigma fp in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Here is a front view sizing comparison of the GXR Mount A12 vs the fp.

Using size and weight, the portability grade of the GXR Mount A12 and fp is 84 and 84 respectively.

Oftentimes, it can be tough to envision the gap between sensor sizes purely by reading through a spec sheet. The picture underneath will help offer you a stronger sense of the sensor sizes in the GXR Mount A12 and fp.

As you can see, both of those cameras have different resolutions and different sensor sizes. The GXR Mount A12 using its tinier sensor will make shooting shallower DOF harder and the Sigma fp will resolve greater detail having an extra 13 Megapixels. Greater resolution will also let you crop images a bit more aggressively. The more aged GXR Mount A12 is going to be behind with regard to sensor innovation.