Nikon D100 vs Sony A99

Lets take a closer look at the Nikon D100 and Sony A99, both Advanced DSLR cameras by rivals Nikon and Sony. There exists a significant gap among the image resolutions of the D100 (6MP) and A99 (24MP) and the D100 (APS-C) and A99 (Full frame) provide different sensor size.

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The D100 was introduced 11 years prior to the A99 which is a fairly sizable gap as far as camera technology is concerned. Both the cameras feature the same body design (Mid-size SLR).

Before diving straight to a comprehensive comparison, here is a short introduction of how the D100 grades vs the A99 with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Nikon D100 and Sony SLT-A99. The whole galleries are provided at Nikon D100 Gallery and Sony A99 Gallery.

For anybody who is aiming to carry around your camera, you will want to consider its weight and dimensions. The Nikon D100 has outside measurements of 144mm x 116mm x 81mm (5.7" x 4.6" x 3.2") with a weight of 780 grams (1.72 lbs) whilst the Sony A99 has dimensions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Analyze the Nikon D100 and Sony A99 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at the time. The following is a front view measurement comparison of the D100 compared to the A99.

Looking at dimensions and weight, the portability rating of the D100 and A99 is 58 and 57 respectively.

Normally, it's hard to imagine the gap in sensor sizes purely by going through specs. The picture underneath will give you a better sense of the sensor sizing in the D100 and A99.

As you can plainly see, each of the cameras feature different megapixel count and different sensor sizes. The D100 having a smaller sensor is going to make achieving shallow depth of field trickier and the Sony A99 will provide extra detail using its extra 18MP. Greater resolution will enable you to crop images way more aggressively. The more aged D100 will be behind with regard to sensor innovation.