Sony A7 vs Sony A900

Here, we will be evaluating the Sony A7 and Sony A900, one being a Pro Mirrorless and the latter is a Advanced DSLR and both of them are designed by Sony. The image resolution of the A7 (24MP) and the A900 (25MP) is pretty similar and both cameras boast the identical sensor sizing (Full frame).

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The A7 was launched 5 years later than the A900 and that is quite a serious gap as far as technology is concerned. Each of these cameras feature different body design with the Sony A7 being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before going into a detailed comparison, here is a brief summation of how the A7 scores vs the A900 with regard to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Sony Alpha A7 and Sony Alpha DSLR-A900. The complete galleries are available at Sony A7 Gallery and Sony A900 Gallery.

In case you're going to lug around your camera regularly, you should take into account its weight and size. The Sony A7 has got outside dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 474 grams (1.04 lbs) and the Sony A900 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Contrast the Sony A7 and Sony A900 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Following is a front view scale comparison of the A7 and the A900.

Factoring in dimensions and weight, the portability score of the A7 and A900 is 78 and 54 respectively.

More often than not, it is very hard to visualize the gap between sensor measurements simply by going over specs. The visual here may provide you a greater sense of the sensor dimensions in the A7 and A900.

All in all, both cameras feature the identical sensor size albeit different MP. You should expect the Sony A900 to deliver greater detail utilizing its extra 1MP. Higher resolution will also help you crop photographs way more aggressively. The fresher A7 provides an advantage in sensor innovation.