Sigma DP1 vs Sony a1

Following is a in depth overview of the Sigma DP1 vs Sony a1, one is a Large Sensor Compact and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There is a significant difference among the image resolutions of the DP1 (5MP) and a1 (50MP) and the DP1 (APS-C) and a1 (Full frame) enjoy totally different sensor measurements.

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The DP1 was brought out 13 years earlier than the a1 which is a fairly sizable gap as far as camera tech is concerned. Both of these cameras offer different body type with the Sigma DP1 being a Large Sensor Compact camera and the Sony a1 being a SLR-style mirrorless camera.

Before delving straight into a in-depth comparison, below is a brief highlight of how the DP1 scores versus the a1 in the way of portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Sigma DP1 and Sony Alpha a1. The entire galleries are available at Sigma DP1 Gallery and Sony a1 Gallery.

For those who are planning to carry around your camera frequently, you're going to have to factor in its weight and measurements. The Sigma DP1 offers outer dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") accompanied by a weight of 270 grams (0.60 lbs) whilst the Sony a1 has proportions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") having a weight of 737 grams (1.62 lbs).

Look at the Sigma DP1 vs Sony a1 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that moment. Here is the front view overall size comparison of the DP1 versus the a1.

Taking into consideration size and weight, the portability rating of the DP1 and a1 is 87 and 61 respectively.

Often, it is hard to see the difference in sensor sizes only by looking through a spec sheet. The image here might give you a far better sense of the sensor dimensions in the DP1 and a1.

Clearly, both of those cameras offer different megapixel count and different sensor sizes. The DP1 due to its smaller sensor will make shooting shallow DOF harder and the Sony a1 will result in more detail having its extra 45MP. Greater resolution can also let you crop images a little more aggressively. The more aged DP1 will be behind with regard to sensor innovation.