Lensbaby 2.0 for Nikon F lens mount_Mamiya NC The Nikon TC-20E II is

The Nikon TC-20E II is an autofocus teleconverter designed for select Nikon AF-S telephoto lenses (here's Nikon's compatibility list)

8G ED AF-S VR Nikkor zoom lens for Nikon film and digital SLR cameras

so you can move it independent of the device used to control it

The Voigtlander Prominent is an interchangeable-lens 35mm rangefinder camera with a coupled rangefinder and a leaf shutter system

Lensbaby 2.0 for Nikon F lens mount_Mamiya NC The Nikon TC-20E II isThe Lensbaby 2. 0 is an improved version of the original Lensbaby, with a doublet lens instead of the original's single element, and a range of magnetically attached apertures instead of the original's somewhat awkward rubber washer and insert system. Includes aperture kit and front rear caps. This lens fits Nikon F mount cameras.