The weight limit is different depending on how the Spinpod is mounted. When mounted horizontally (panning) the Spinpod is capable of handling a lighter weight DSLR but it generally isn't practical. This is both due to its weight and size. When mounted vertically (tilting) the Spinpod can only handle a limited amount of weight. This is sufficient for smart phones and GoPro's without their water proof case.
We should mention that all of our tests have been done with our 3D printed prototypes. The production run of the Spinpod will be injection molded. This will definitely cut down on friction and should increase the weight capacity in both mounting orientations.
We will do some tests with actual weights and post the results in the FAQ section.