Sony A900 vs Sony a1

Following is a detailed overview of the Sony A900 vs Sony a1, one is a Advanced DSLR and the other is a Pro Mirrorless and both are produced by Sony. There is a big difference between the resolutions of the A900 (25MP) and a1 (50MP) but both cameras have the same sensor dimensions (Full frame).

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The A900 was manufactured 13 years earlier than the a1 which is quite a big gap as far as tech is concerned. Both of the cameras have different body design with the Sony A900 being a Mid-size SLR camera and the Sony a1 being a SLR-style mirrorless camera.

Before delving right into a full comparison, here is a simple introduction of how the A900 grades against the a1 when considering portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Sony Alpha DSLR-A900 and Sony Alpha a1. The entire galleries are viewable at Sony A900 Gallery and Sony a1 Gallery.

In case you're looking to carry around your camera, you'll have to think about its weight and measurements. The Sony A900 comes with outside dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs) while the Sony a1 has proportions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") having a weight of 737 grams (1.62 lbs).

Analyze the Sony A900 vs Sony a1 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at the time. Below is a front view physical size comparison of the A900 against the a1.

Taking into account size and weight, the portability score of the A900 and a1 is 54 and 61 respectively.

Generally, it is very hard to picture the gap between sensor sizes purely by looking at a spec sheet. The pic below will offer you a greater sense of the sensor dimensions in the A900 and a1.

As you can see, both the cameras provide the same sensor dimensions but different resolution. You should expect to see the Sony a1 to resolve more detail due to its extra 25 Megapixels. Greater resolution can also make it easier to crop pics more aggressively. The more aged A900 is going to be behind with regard to sensor tech.