Sigma DP1s vs Sony a1

Following is a extensive review of the Sigma DP1s and Sony a1, one is a Large Sensor Compact and the other is a Pro Mirrorless by companies Sigma and Sony. There exists a crucial gap among the image resolutions of the DP1s (5MP) and a1 (50MP) and the DP1s (APS-C) and a1 (Full frame) boast different sensor dimensions.

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The DP1s was introduced 12 years earlier than the a1 which is a fairly serious gap as far as camera technology is concerned. Each of these cameras have different body design with the Sigma DP1s being a Large Sensor Compact camera and the Sony a1 being a SLR-style mirrorless camera.

Before getting straight to a comprehensive comparison, here is a concise highlight of how the DP1s grades vs the a1 with regards to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Sigma DP1s and Sony Alpha a1. The whole galleries are viewable at Sigma DP1s Gallery and Sony a1 Gallery.

For anyone who is planning to carry around your camera, you're going to have to think about its weight and volume. The Sigma DP1s features exterior dimensions of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") along with a weight of 270 grams (0.60 lbs) while the Sony a1 has sizing of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") and a weight of 737 grams (1.62 lbs).

Look at the Sigma DP1s and Sony a1 in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Here is a front view measurements comparison of the DP1s vs the a1.

Taking into consideration dimensions and weight, the portability rating of the DP1s and a1 is 90 and 61 respectively.

Sometimes, it's tough to imagine the gap in sensor sizes just by viewing specs. The image below will offer you a greater sense of the sensor dimensions in the DP1s and a1.

As you can plainly see, both of the cameras have different resolutions and different sensor sizes. The DP1s using its smaller sensor is going to make shooting shallow DOF trickier and the Sony a1 will render extra detail using its extra 45 Megapixels. Greater resolution will help you crop images a bit more aggressively. The more aged DP1s will be disadvantaged with regard to sensor technology.