Fotodiox Pro Lens Cap for Rollei TLR Camera with Bay IIb (B2b) 3.5F Take Lens - Metal Cap, fits Twin Lens Rollei (TLR) Bay II Mount, fits Twin Lens Rollei (TLR) Bay II Mount, 2.8 A (Tessar) Lens, 3.5 F (Planar, Xenotar) Lenses
Specifically designed for Rolleiflex TLRs with Bay IIb 2.8A & 3.5F. If you are not sure which size you need please ask
Impressively close reproduction
The hinged cap keeps with the classic look of Rolleiflex cameras
Metal double cap with matte finish, precision designed fit