Last June the iPhone 4 became the most popular camera on Flickr, and now the iPhone 4S, just over a month old has surged to become the second most popular cameraphone, behind the iPhone 4. The top 5 cameraphones, as of November 2011:

1. iPhone 4
2. iPhone 4S
3. iPhone 3G
4. iPhone 3GS
5. HTC Evo 4G

The iPhone 4S camera contains all new optics. The 8MP camera shoots better in low light with its larger f/2.4 aperture and has a new infrared filter. Face detection will seek out up to 10 faces.

As for the most popular camera on Flickr, the iPhone 4 remains king:

[MacRumors via @rogerdodgerTM]