Sony A7S vs Sony A55

Here is a complete review of the Sony A7S vs Sony A55, one being a Pro Mirrorless and the other is a Entry-Level DSLR and they are both offered by Sony. There exists a huge gap among the image resolutions of the A7S (12MP) and A55 (16MP) and the A7S (Full frame) and A55 (APS-C) use different sensor dimensions.

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The A7S was unveiled 3 years later than the A55 and that is a fairly significant gap as far as camera technology is concerned. Each of these cameras offer different body type with the Sony A7S being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before getting in to a more detailed comparison, below is a short highlight of how the A7S scores against the A55 when it comes to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Sony Alpha A7S and Sony SLT-A55. The full galleries are available at Sony A7S Gallery and Sony A55 Gallery.

For those who are going to carry your camera frequently, you need to factor its weight and proportions. The Sony A7S enjoys external dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 489 grams (1.08 lbs) whilst the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Examine the Sony A7S vs Sony A55 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. Following is the front view measurement comparison of the A7S versus the A55.

Considering dimensions and weight, the portability score of the A7S and A55 is 77 and 67 respectively.

Normally, it can be tough to visualize the contrast in sensor sizing merely by going through a spec sheet. The visual below might offer you a greater sense of the sensor sizes in the A7S and A55.

As you can see, the two cameras enjoy different megapixel count and different sensor sizing. The A7S with its larger sensor is going to make shooting shallower depth of field easier and the Sony A55 will show extra detail having an extra 4 Megapixels. Greater resolution will help you crop pics far more aggressively. The more modern A7S should have a benefit when it comes to sensor innovation.