Sigma DP1 vs Sony A77

In this write-up, we are contrasting the Sigma DP1 and Sony A77, one is a Large Sensor Compact and the other is a Advanced DSLR by manufacturers Sigma and Sony. There is a sizeable difference between the sensor resolutions of the DP1 (5MP) and A77 (24MP) but they use the same exact sensor sizing (APS-C).

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The DP1 was manufactured 4 years prior to the A77 which is quite a large gap as far as tech is concerned. Each of the cameras offer different body type with the Sigma DP1 being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.

Before getting in to a full comparison, below is a brief summation of how the DP1 grades versus the A77 when it comes to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sigma DP1 and Sony SLT-A77. The entire galleries are provided at Sigma DP1 Gallery and Sony A77 Gallery.

In case you're looking to carry around your camera often, you'll need to take into account its weight and size. The Sigma DP1 comes with physical dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 270 grams (0.60 lbs) whilst the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

See the Sigma DP1 and Sony A77 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at the time. Here is the front view measurement comparison of the DP1 and the A77.

Factoring in size and weight, the portability score of the DP1 and A77 is 87 and 59 respectively.

Oftentimes, its difficult to picture the contrast between sensor sizes merely by reviewing technical specs. The image here might offer you a more clear sense of the sensor dimensions in the DP1 and A77.

As you have seen, both the cameras offer the same exact sensor sizing but different MP. You should anticipate the Sony A77 to deliver more detail due to its extra 19MP. Greater resolution will also allow you to crop photos a little more aggressively. The more aged DP1 is going to be disadvantaged in sensor tech.