At dusk: OIS won't cure all ills as unsteady shooting with this 1/20sec image shows
Click for a full-resolution image
Lumia 920 image crop at 100% retains detail and colour – 1/15sec, f/2.0, ISO 640
Apple iPhone 4S (HDR on) image crop at 100% reveals significant noise artefacts – 1/15sec, f/2.4, ISO 800
Here's the low light comparison. All three pictures were taken a minute apart. The first two are the Blackberry Bold 9900 – not the best camera on the market, but not the worst – and fairly typical of the optics people have in their pocket. The bottom picture was taken on the Lumia 920.
Blackberry Bold 9900: 'Night mode' [90% JPG compression]
Blackberry Bold 9900: 'Night mode', Flash:off [90% JPG compression]
Nokia Lumia 920 Night Mode
Here's some video, including standing still, panning, and walking.
Video originally captured at 1080p