Sony a5100 weighs 283 g (0.62 lb / 9.98 oz) and has external dimensions of 110 x 63 x 36 mm (4.33 x 2.48 x 1.42″). Considering that the average weight of Mirrorless type cameras is 437g, Sony a5100 is a remarkably light camera for its class. Even better, with a thickness of only 36mm, it is also quite small, 14mm thinner than the average of its class.
Weight Comparison
Mirrorless Cameras
Thickness Comparison
Mirrorless Cameras
Here is the front and top view image of Sony a5100 with the dimensions:
![Sony a5100 Body Size Dimensions]()
Front and Top View External Dimensions and Size of Sony a5100 Camera Body
In order to give you a better idea about the real life size of Sony a5100, we have added an image of how it looks next to a credit card and an AA type battery.
![Sony a5100 Body Size Compared to a Credit card and a Battery]()
Physical size of the Sony a5100 Body Compared to a Credit Card and an AA Battery
Now lets compare the weight and thickness of Sony a5100 with its main competitors:
Sony a5100 Size Compared to Main Competitors
Weather Sealing
Sony a5100 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Mirrorless Cameras with Weather Sealing page.