Sigma DP3 Merrill vs Sony A7

Here, we are reviewing the Sigma DP3 Merrill and Sony A7, one is a Large Sensor Compact and the other is a Pro Mirrorless by competitors Sigma and Sony. There is a big difference among the resolutions of the DP3 Merrill (15MP) and A7 (24MP) and the DP3 Merrill (APS-C) and A7 (Full frame) provide different sensor dimensions.

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The DP3 Merrill was unveiled 12 months before the A7 which means that they are of a similar generation. Both of the cameras feature different body design with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A7 being a SLR-style mirrorless camera.

Before going straight to a step-by-step comparison, here is a short introduction of how the DP3 Merrill matches up versus the A7 when it comes to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Sigma DP3 Merrill and Sony Alpha A7. The full galleries are available at Sigma DP3 Merrill Gallery and Sony A7 Gallery.

If you're aiming to travel with your camera regularly, you'll have to think about its weight and measurements. The Sigma DP3 Merrill enjoys physical measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs) whilst the Sony A7 has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 474 grams (1.04 lbs).

Examine the Sigma DP3 Merrill and Sony A7 in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. The following is a front view overall size comparison of the DP3 Merrill versus the A7.

Considering size and weight, the portability score of the DP3 Merrill and A7 is 83 and 78 respectively.

Generally, it's tough to visualize the gap in sensor dimensions purely by seeing specs. The image below will help offer you a better sense of the sensor sizing in the DP3 Merrill and A7.

All in all, both cameras come with different megapixel count and different sensor dimensions. The DP3 Merrill with its smaller sensor is going to make shooting shallower DOF harder and the Sony A7 will provide extra detail having an extra 9MP. Greater resolution will also let you crop pics a good deal more aggressively. The more aged DP3 Merrill will be disadvantaged in sensor innovation.