Ricoh GXR Mount A12 vs Sony A7R

Let's take a deeper look at the Ricoh GXR Mount A12 and Sony A7R, one being a Entry-Level Mirrorless and the other is a Pro Mirrorless by brands Ricoh and Sony. There is a crucial difference between the sensor resolutions of the GXR Mount A12 (12MP) and A7R (36MP) and the GXR Mount A12 (APS-C) and A7R (Full frame) have totally different sensor sizes.

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The GXR Mount A12 was announced 3 years prior to the A7R and that is quite a serious gap as far as tech is concerned. Both of the cameras feature different body design with the Ricoh GXR Mount A12 being a Rangefinder-style mirrorless camera and the Sony A7R being a SLR-style mirrorless camera.

Before going straight to a comprehensive comparison, here is a concise synopsis of how the GXR Mount A12 scores versus the A7R in relation to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Ricoh GXR Mount A12 and Sony Alpha A7R. The whole galleries are viewable at Ricoh GXR Mount A12 Gallery and Sony A7R Gallery.

For those who are planning to lug around your camera, you will want to factor its weight and size. The Ricoh GXR Mount A12 comes with external 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 Sony A7R has specifications of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 465 grams (1.03 lbs).

Check out the Ricoh GXR Mount A12 and Sony A7R in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that time. Underneath is a front view dimension comparison of the GXR Mount A12 compared to the A7R.

Taking into consideration size and weight, the portability rating of the GXR Mount A12 and A7R is 84 and 78 respectively.

Oftentimes, it's hard to envision the difference between sensor measurements just by looking at a spec sheet. The graphic below might provide you a far better sense of the sensor sizes in the GXR Mount A12 and A7R.

Clearly, the two cameras feature different megapixel count and different sensor measurements. The GXR Mount A12 having a tinier sensor will make achieving shallow depth of field more challenging and the Sony A7R will give extra detail with its extra 24MP. Greater resolution can also help you crop photos way more aggressively. The older GXR Mount A12 is going to be disadvantaged in sensor innovation.