Sony A7S vs Sony A77

In this article, we are contrasting the Sony A7S and Sony A77, former being a Pro Mirrorless while the other is a Advanced DSLR and both of them are offered by Sony. There exists a large gap among the sensor resolutions of the A7S (12MP) and A77 (24MP) and the A7S (Full frame) and A77 (APS-C) possess totally different sensor size.

Photography Glossary

The A7S was brought out 2 years later than the A77 and that is a fairly serious difference as far as camera technology is concerned. Both of the cameras offer different body type with the Sony A7S being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before getting in to a in-depth comparison, below is a quick highlight of how the A7S scores against the A77 in terms of portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Sony Alpha A7S & Sony SLT-A77. The entire galleries are available at Sony A7S Gallery & Sony A77 Gallery.

If you're looking to lug around your camera regularly, you will want to take into account its weight and volume. The Sony A7S provides outside dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs) whilst the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Examine the Sony A7S and Sony A77 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you have during that time. Below is the front view sizing comparison of the A7S and the A77.

Looking at dimensions and weight, the portability grade of the A7S and A77 is 77 and 59 respectively.

Sometimes, it's difficult to visualise the difference in sensor measurements purely by looking through specs. The photograph here will give you a better sense of the sensor dimensions in the A7S and A77.

As you can plainly see, both cameras enjoy different megapixels and different sensor measurements. The A7S because of its larger sensor will make achieving shallower depth of field easier and the Sony A77 will provide you with more detail having its extra 12 Megapixels. Greater resolution will make it easier to crop pics far more aggressively. The more modern A7S is going to have an edge with regard to sensor innovation.