Sony A99 weighs 812 g (1.79 lb / 28.64 oz) and has external dimensions of 147 x 111 x 78 mm (5.79 x 4.37 x 3.07″). Considering that the average weight of DSLR type cameras is 774g, its weight is about average in its class. With a thickness of 78mm, it also has an average thickness.
Here is the front and top view image of Sony A99 with the dimensions:
In order to give you a better idea about the real life size of Sony A99, we have added an image of how it looks next to a credit card and an AA type battery.
Now lets compare the weight and thickness of Sony A99 with its main competitors:
Sony A99 has environmental sealings on its body which makes it a weather resistant camera, providing resistance against the water and dust getting in to the camera. If you like outdoors photography and want to be able to use your camera in extreme conditions, Sony A99 will serve you well. If you attach one of these Sony A99 weather Sealed lenses to your camera, you will have a great all weather kit.