The Smartphone Beta Test is the latest marketing campaign from Nokia that's to be continuously rolled out in the U.S. The videos highlight key features of the Lumia handsets, with the above commercial focusing on the Carl Zeiss optics. Nokia is set to release more firmware updates to introduce Internet sharing among other features missing from the Windows Phone experience.

It's interesting that the ad states the Lumia handsets sport better camera specifications for low-light photography, which we'd agree with. But we've said before that it would appear as though the hardware is a slight let down with regards to performance on the Lumia 900.

Source: Youtube; thanks Konstantin for the tip!