Sony A7R vs Sony A77

On this page, we are looking at the Sony A7R vs Sony A77, former being a Pro Mirrorless while the other is a Advanced DSLR and both are built by Sony. There is a sizable difference between the image resolutions of the A7R (36MP) and A77 (24MP) and the A7R (Full frame) and A77 (APS-C) posses totally different sensor size.

Photography Glossary

The A7R was announced 2 years later than the A77 and that is quite a significant difference as far as tech is concerned. Both of the cameras have different body design with the Sony A7R being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before going right into a full comparison, here is a short summation of how the A7R scores vs the A77 in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Sony Alpha A7R & Sony SLT-A77. The whole galleries are available at Sony A7R Gallery & Sony A77 Gallery.

When you are intending to carry your camera often, you will want to take into account its weight and measurements. The Sony A7R has outside measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 465 grams (1.03 lbs) and the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Contrast the Sony A7R vs Sony A77 in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you select at that moment. Underneath is a front view over all size comparison of the A7R and the A77.

Taking into account size and weight, the portability rating of the A7R and A77 is 78 and 59 respectively.

In many cases, its tough to see the difference between sensor sizing purely by going over specifications. The photograph here will help give you a much better sense of the sensor measurements in the A7R and A77.

To sum up, each of these cameras have different megapixels and different sensor sizing. The A7R with its larger sensor will make achieving shallower DOF easier and the Sony A7R will offer you greater detail with its extra 12MP. Greater resolution can also make it easier to crop pics a bit more aggressively. The newer A7R is going to have an advantage in sensor tech.