[Brightcolours]

Because it is a very rare and unique lens, making it an enthusiasts collectors item.

[davidmanze]

  Let's face it, it makes the headlines for a short while and is in the land of toys for boys,a few dozen fish eye shots is usually sufficient for most.

 

  Out of all the Pentax lenses that I've sold the only one which hasn't had any interest whatsoever is the Samyang fisheye (PK)