Leica M8 vs Sony A7S III

On this page, we are comparing the Leica M8 versus Sony A7S III, both Pro Mirrorless cameras by brands Leica and Sony. The image resolution of the M8 (10MP) and the A7S III (12MP) is very comparable but the M8 (APS-H) and A7S III (Full frame) boast different sensor measurements.

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The M8 was revealed 14 years earlier than the A7S III which is a fairly significant gap as far as camera technology is concerned. Both the cameras have different body design with the Leica M8 being a Rangefinder-style mirrorless camera and the Sony A7S III being a SLR-style mirrorless camera.

Before getting right into a complete comparison, here is a simple summary of how the M8 matches up against the A7S III for portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Leica M8 and Sony Alpha A7S III. The full galleries are provided at Leica M8 Gallery and Sony A7S III Gallery.

For anybody who is looking to travel with your camera often, you'll need to think about its weight and dimensions. The Leica M8 has got exterior dimensions of 139mm x 80mm x 37mm (5.5" x 3.1" x 1.5") having a weight of 591 grams (1.30 lbs) and the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).

Take a look at the Leica M8 versus Sony A7S III in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at the time. Below is a front view physical size comparison of the M8 vs the A7S III.

Factoring in dimensions and weight, the portability score of the M8 and A7S III is 79 and 61 respectively.

More often than not, it is tough to picture the gap in sensor dimensions purely by seeing specifications. The image here might provide you a stronger sense of the sensor dimensions in the M8 and A7S III.

To sum up, both the cameras provide different megapixel count and different sensor dimensions. The M8 using its smaller sensor is going to make shooting shallow depth of field more challenging and the Sony A7S III will provide more detail because of its extra 2 Megapixels. Greater resolution can also make it easier to crop photos more aggressively. The more aged M8 will be behind with regard to sensor tech.