Sigma SD1 vs Sony A68

Its time to examine more closely at the Sigma SD1 versus Sony A68, former is a Advanced DSLR while the latter is a Entry-Level DSLR by rivals Sigma and Sony. There exists a noticeable gap between the sensor resolutions of the SD1 (15MP) and A68 (24MP) but they use the exact same sensor size (APS-C).

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The SD1 was announced 6 years before the A68 which is quite a sizable difference as far as technology is concerned. Both the cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A68 being a Compact SLR camera.

Before getting in to a step-by-step comparison, below is a concise summary of how the SD1 grades against the A68 in terms of portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Sigma SD1 & Sony SLT-A68. The whole galleries are provided at Sigma SD1 Gallery & Sony A68 Gallery.

If you are aiming to travel with your camera, you're going to have to think about its weight and size. The Sigma SD1 comes with outside 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 A68 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 610 grams (1.34 lbs).

Compare the Sigma SD1 versus Sony A68 in our completely new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you are working with at that time. Below is the front view physical size comparison of the SD1 compared to the A68.

Taking into account dimensions and weight, the portability grade of the SD1 and A68 is 77 and 64 respectively.

Normally, it is difficult to picture the contrast between sensor dimensions simply by checking technical specs. The image here should provide you a more clear sense of the sensor sizing in the SD1 and A68.

As you have seen, each of these cameras have got the exact same sensor measurements albeit different resolution. You can expect the Sony A68 to give extra detail with its extra 9 Megapixels. Higher resolution will also allow you to crop photographs much more aggressively. The more aged SD1 is going to be behind when it comes to sensor innovation.