Nikon D100 vs Sony A77

Below, we are looking at the Nikon D100 and Sony A77, both Advanced DSLR digital cameras by companies Nikon and Sony. There exists a significant gap between the sensor resolutions of the D100 (6MP) and A77 (24MP) but they enjoy the exact same sensor measurements (APS-C).

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The D100 was manufactured 10 years earlier than the A77 and that is quite a sizable gap as far as technology is concerned. Both of the cameras come with the identical body type (Mid-size SLR).

Before going through a more detailed comparison, below is a quick highlight of how the D100 matches up against the A77 in relation to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Nikon D100 and Sony SLT-A77. The entire galleries are available at Nikon D100 Gallery and Sony A77 Gallery.

If you're planning to carry your camera often, you're going to have to take into account its weight and measurements. The Nikon D100 offers external 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 A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Check the Nikon D100 and Sony A77 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you select during that time. Below is the front view physical size comparison of the D100 compared to the A77.

Considering dimensions and weight, the portability score of the D100 and A77 is 58 and 59 respectively.

Quite often, it is very hard to imagine the gap between sensor sizing simply by reading through a spec sheet. The photograph underneath might offer you a clearer sense of the sensor sizing in the D100 and A77.

Clearly, the two cameras have got the exact same sensor measurements but different MP. You should anticipate the Sony A77 to give greater detail due to its extra 18MP. Greater resolution will also help you crop pics much more aggressively. The older D100 is going to be behind with regard to sensor tech.