Custom-designed and 3D-printed follow focus rings for Carl Zeiss Jena Zebra lenses for sale! It is maded from hard plastic! Fits perfectly!The tight rings need a bit of force to slide onto the lens focus ring! Fits perfectly and won't rotate on the lens! I can currently make rings for these lenses:

• Carl Zeiss Jena Zebra Flektogon 20mm f4 m42/Exa version
• Carl Zeiss Jena Zebra Flektogon 35mm f2.8 m42/Exa version
• Carl Zeiss Jena Zebra Tessar 50mm f2.8 m42/Exa version (design in progress)
• Carl Zeiss Jena Zebra Biometar 80mm f2.8 m42/Exa version
• Carl Zeiss Jena Zebra Sonnar 135mm f3.5 m42/Exa version

If you have another type that is not listed just PM! You can also purchase the complete set, which I listed separately. Shipping form hungary to world wide!

Fell free to ask ;)