Leica M9 vs Sony A7R III

Here is a extended review of the Leica M9 vs Sony A7R III, both Pro Mirrorless digital cameras by brands Leica and Sony. There is a huge difference between the image resolutions of the M9 (18MP) and A7R III (42MP) but both cameras boast the identical sensor size (Full frame).

Photobucket discusses licensing 13 billion images with AI firms

The M9 was launched 9 years before the A7R III and that is quite a significant gap as far as tech is concerned. Both of these cameras feature different body design with the Leica M9 being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.

Before diving right into a in depth comparison, here is a simple introduction of how the M9 grades vs the A7R III in relation to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Leica M9 and Sony Alpha A7R III. The complete galleries are provided at Leica M9 Gallery and Sony A7R III Gallery.

If you are looking to carry your camera regularly, you will need to factor its weight and dimensions. The Leica M9 enjoys outer measurements of 139mm x 80mm x 37mm (5.5" x 3.1" x 1.5") along with a weight of 585 grams (1.29 lbs) while the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Look at the Leica M9 vs Sony A7R III in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at that time. Below is a front view dimension comparison of the M9 versus the A7R III.

Factoring in size and weight, the portability score of the M9 and A7R III is 79 and 63 respectively.

Oftentimes, its tough to see the contrast between sensor sizing only by looking at specifications. The graphic here will offer you a stronger sense of the sensor sizing in the M9 and A7R III.

To sum up, both cameras feature the identical sensor size but not the same megapixels. You should expect to see the Sony A7R III to give you extra detail utilizing its extra 24MP. Greater resolution will also let you crop pics way more aggressively. The older M9 is going to be behind when it comes to sensor tech.