THIS ITEM PRE-ORDER, ALLOW 4-6 WEEKS DELIVERY
 
Adapter ring to connect lens end of RETRO-adapters to BALPRO and CASTBAL-PRO
of RETRO-adapters to BALPRO and CASTBAL-PRO Adapter Ring - to Connect Lens-End of RETRO-adapters to BALPRO-1 or T/S Universal Bellows as well as the CASTBAL-PRO bellows attachment.

-High-precision adapter
-no information transmission between the adapter and bellows

NOTE:
This adapter is used to attach the lens-side part of the RETRO reversing rings to BALPRO series bellows. The camera adapter RETRO/PRO is also necessary.