Some Nikon V1 + FT-1 + TC 2.0x + 400mm f/2.8 fun = 2160mm

Here are some samples from the Nikon V1 + FT-1 adapter + TC 2.0x + Nikkor 400mm f/2.8 lens. The focal length calculation should be: 400 x 2 x 2.7 = 2160mm:

Images credit: Razvan T.