Sigma SD1 vs Sony a5000

Below, we will be evaluating the Sigma SD1 vs Sony a5000, one being a Advanced DSLR and the latter is a Entry-Level Mirrorless by companies Sigma and Sony. There is a huge difference among the resolutions of the SD1 (15MP) and a5000 (20MP) but they use the exact same sensor dimensions (APS-C).

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The SD1 was manufactured 4 years prior to the a5000 and that is a fairly significant gap as far as camera tech is concerned. Each of these cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony a5000 being a Rangefinder-style mirrorless camera.

Before getting in to a detailed comparison, below is a quick summary of how the SD1 grades against the a5000 with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Sigma SD1 and Sony Alpha a5000. The entire galleries are available at Sigma SD1 Gallery and Sony a5000 Gallery.

If you're going to carry your camera regularly, you are going to need to factor in its weight and measurements. The Sigma SD1 offers external measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") along with a weight of n/a grams (0.00 lbs) whilst the Sony a5000 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") and a weight of 269 grams (0.59 lbs).

Examine the Sigma SD1 vs Sony a5000 in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you select at that moment. Below is the front view measurements comparison of the SD1 versus the a5000.

Factoring in size and weight, the portability rating of the SD1 and a5000 is 77 and 89 respectively.

Usually, its difficult to see the gap in sensor sizing just by looking through specs. The photograph here might provide you a more clear sense of the sensor measurements in the SD1 and a5000.

All in all, both the cameras posses the exact same sensor measurements albeit not the same resolution. You should expect the Sony a5000 to provide you with more detail due to its extra 5MP. Higher resolution can also enable you to crop photographs somewhat more aggressively. The older SD1 will be disadvantaged when it comes to sensor technology.