Nikon D100 vs Sigma SD1

Following is a thorough overview of the Nikon D100 and Sigma SD1, both Advanced DSLR cameras by rivals Nikon and Sigma. There exists a huge gap among the sensor resolutions of the D100 (6MP) and SD1 (15MP) but both cameras boast the identical sensor measurements (APS-C).

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The D100 was launched 9 years earlier than the SD1 which is a fairly significant gap as far as camera technology is concerned. Both cameras feature the same body design (Mid-size SLR).

Before diving into a full comparison, here is a quick overview of how the D100 grades vs the SD1 with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Nikon D100 and Sigma SD1. The complete galleries are viewable at Nikon D100 Gallery and Sigma SD1 Gallery.

If you are aiming to carry around your camera regularly, you'll have to factor in its weight and dimensions. The Nikon D100 enjoys external dimensions of 144mm x 116mm x 81mm (5.7" x 4.6" x 3.2") along with a weight of 780 grams (1.72 lbs) while the Sigma SD1 has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).

Examine the Nikon D100 and Sigma SD1 in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at that moment. Underneath is a front view measurement comparison of the D100 against the SD1.

Looking at dimensions and weight, the portability score of the D100 and SD1 is 58 and 77 respectively.

Sometimes, it is very difficult to visualise the difference in sensor sizes purely by seeing a spec sheet. The picture here will provide you a stronger sense of the sensor sizes in the D100 and SD1.

As you can see, both of these cameras feature the identical sensor size but not the same megapixels. You should expect to see the Sigma SD1 to produce greater detail utilizing its extra 9 Megapixels. Greater resolution will let you crop images way more aggressively. The more aged D100 will be disadvantaged in sensor innovation.