Leica M9 vs Sony A77

Below, we will be evaluating the Leica M9 and Sony A77, one is a Pro Mirrorless and the latter is a Advanced DSLR by brands Leica and Sony. There is a crucial difference between the image resolutions of the M9 (18MP) and A77 (24MP) and the M9 (Full frame) and A77 (APS-C) feature totally different sensor measurements.

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The M9 was introduced 3 years prior to the A77 which is quite a serious gap as far as tech is concerned. Each of these cameras come with different body type with the Leica M9 being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before we go through a thorough comparison, below is a concise view of how the M9 grades against the A77 with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Leica M9 and Sony SLT-A77. The whole galleries are provided at Leica M9 Gallery and Sony A77 Gallery.

If you're going to carry around your camera, you have to factor in its weight and volume. The Leica M9 enjoys outside 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) whilst the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Check the Leica M9 and Sony A77 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that moment. Underneath is the front view over all size comparison of the M9 compared to the A77.

Looking at size and weight, the portability score of the M9 and A77 is 79 and 59 respectively.

In many cases, its hard to visualise the contrast between sensor sizes just by going over specifications. The image here will give you a clearer sense of the sensor measurements in the M9 and A77.

To sum up, each of the cameras posses different megapixels and different sensor sizes. The M9 with its bigger sensor will make shooting shallower depth of field simpler and the Sony A77 will offer you greater detail using its extra 6 Megapixels. Higher resolution will also let you crop pictures somewhat more aggressively. The more aged M9 is going to be behind when it comes to sensor technology.