Fotodiox Pro Lens Cap for Rollei TLR Camera with Bay III (B3) f2.8 Take Lens Cap Reflective Finish, fits Twin Lens Rollei (TLR) Bay III Mount, 2.8 B/C/D/E/F/GX/FX (Biometer, Planar, Xenotar, Sonnar) Lenses
$34.95 USD
Specifically designed for Rolleiflex TLRs with Bay III f/2.8 take lens (all of the 80mm f2.8 models except the "A"-ask if you are not sure)
Premium quality metal lens cap helps keep dust & scratches from lens - this is an impressive reproduction
The hinged cap keeps with the classic look of Rolleiflex cameras
Metal double cap with matte finish, precision designed fit