Canon SX510 HS weighs 349 g (0.77 lb / 12.31 oz) and has external dimensions of 104 x 70 x 80 mm (4.09 x 2.76 x 3.15″). Considering that the average weight of Compact type cameras is 188g, Canon SX510 HS is a significantly heavy camera for its class. With a thickness of 80mm, it is not small either, 51mm thicker than the average of its class.
Here is the front and top view image of Canon SX510 HS with the dimensions:
In order to give you a better idea about the real life size of Canon SX510 HS, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Canon SX510 HS size with the camera that it replaced: Canon SX500 IS. As depicted on the comparison image, and have the exact same height, width and thickness.
Below you can find the comparison of the weight and thickness of Canon SX510 HS with its main competitors:
Canon SX510 HS Size Compared to Main Competitors
Canon SX510 HS 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 Compact Cameras with Weather Sealing page.