THIS ITEM PRE-ORDER, ALLOW 4-6 WEEKS DELIVERY

Product information 

"Adapter ring to connect camera end of RETRO-adapters to BAL-F"

of RETRO-adapters to BAL-F Adapter Ring - to Connect Camera-End of RETRO-adapters to BAL-F Bellows. -High-precision adapter -no information transmission between the adapter and bellows NOTE: This adapter is used to attach the camera-side part of the RETRO reversing rings to BAL-F bellows. The lens adapter FLEX/RETRO is also necessary.