Ricoh GR III vs Sony A7S

Below, we will be comparing the Ricoh GR III versus Sony A7S, one being a Large Sensor Compact and the latter is a Pro Mirrorless by brands Ricoh and Sony. There is a crucial difference between the resolutions of the GR III (24MP) and A7S (12MP) and the GR III (APS-C) and A7S (Full frame) possess totally different sensor sizing.

Photography Glossary

The GR III was released 4 years later than the A7S and that is quite a serious gap as far as tech is concerned. Each of the cameras come with different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony A7S being a SLR-style mirrorless camera.

Before delving through a complete comparison, below is a brief synopsis of how the GR III matches up against the A7S with respect to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Ricoh GR III and Sony Alpha A7S. The complete galleries are viewable at Ricoh GR III Gallery and Sony A7S Gallery.

When you are planning to lug around your camera frequently, you have to factor in its weight and proportions. The Ricoh GR III comes with external dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 257 grams (0.57 lbs) and the Sony A7S has measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 489 grams (1.08 lbs).

See the Ricoh GR III versus Sony A7S in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at that time. Below is the front view over all size comparison of the GR III and the A7S.

Using size and weight, the portability score of the GR III and A7S is 90 and 77 respectively.

Oftentimes, it's difficult to envision the gap between sensor measurements just by reading through specs. The graphic below will help provide you a better sense of the sensor sizes in the GR III and A7S.

As you can plainly see, both the cameras have got different megapixel count and different sensor measurements. The GR III featuring a tinier sensor will make achieving shallower depth of field tougher and the Ricoh GR III will give you more detail as a result of its extra 12 Megapixels. Higher resolution can also allow you to crop photographs much more aggressively. The younger GR III is going to have a benefit with regard to sensor technology.