Sony A77 weighs 732 g (1.61 lb / 25.82 oz) and has external dimensions of 143 x 104 x 81 mm (5.63 x 4.09 x 3.19″). Considering that the average weight of DSLR type cameras is 774g, its weight is about average in its class. With a thickness of 81mm, it also has an average thickness.
Weight Comparison
DSLR Cameras
Thickness Comparison
DSLR Cameras
Here is the front and top view image of Sony A77 with the dimensions:
![Sony A77 Body Size Dimensions]()
Front and Top View External Dimensions and Size of Sony A77 Camera Body
In order to give you a better idea about the real life size of Sony A77, we have added an image of how it looks next to a credit card and an AA type battery.
![Sony A77 Body Size Compared to a Credit card and a Battery]()
Physical size of the Sony A77 Body Compared to a Credit Card and an AA Battery
Now lets compare the weight and thickness of Sony A77 with its main competitors:
Sony A77 Size Compared to Main Competitors
Weather Sealing
Sony A77 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 A77 will serve you well. If you attach one of these Sony A77 weather Sealed lenses to your camera, you will have a great all weather kit.