Sony A100 vs Sony A99

Below, we are looking at the Sony A100 vs Sony A99, one is a Entry-Level DSLR and the other is a Advanced DSLR and both are manufactured by Sony. There is a significant difference between the resolutions of the A100 (10MP) and A99 (24MP) and the A100 (APS-C) and A99 (Full frame) feature different sensor sizes.

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The A100 was launched 7 years prior to the A99 which is quite a sizable gap as far as tech is concerned. Each of these cameras come with different body type with the Sony A100 being a Compact SLR camera and the Sony A99 being a Mid-size SLR camera.

Before we go straight into a complete comparison, below is a short synopsis of how the A100 grades against the A99 in regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Sony Alpha DSLR-A100 and Sony SLT-A99. The complete galleries are viewable at Sony A100 Gallery and Sony A99 Gallery.

For anybody who is aiming to carry around your camera frequently, you will have to factor its weight and volume. The Sony A100 provides outer dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs) and the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") with a weight of 812 grams (1.79 lbs).

See the Sony A100 vs Sony A99 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen during that time. Below is the front view overall size comparison of the A100 compared to the A99.

Factoring in size and weight, the portability score of the A100 and A99 is 64 and 57 respectively.

In many cases, it's difficult to visualize the contrast between sensor sizes purely by reviewing a spec sheet. The image below might give you a stronger sense of the sensor dimensions in the A100 and A99.

As you can see, both of the cameras have got different megapixel count and different sensor sizes. The A100 because of its tinier sensor is going to make achieving bokeh harder and the Sony A99 will offer you more detail utilizing its extra 14MP. Greater resolution can also enable you to crop photos much more aggressively. The more aged A100 is going to be disadvantaged when it comes to sensor technology.