Zeiss-Opton Bernotar W 32W + Rollei Bay I Adapter (RARE) Included in the lot is a Zeiss-Opton Bernotar W 32W polarizing filter (32 mm push-on type) complete with the original Rollei Bayonet I adapter ring, allowing the filter to mount directly to Rolleiflex / Rolleicord TLR cameras. This Zeiss+Rollei combination is rare, collectible, and highly valuable Two original vintage German cases included: 1. Rollei leather filter case with snap buttons 2. ENO leather zipper case containing four Rollei filters Both clean and well preserved. Compatibility All Rollei filters and adapters are compatible with Bayonet I (Bay I) Rolleiflex/Rolleicord models such as: • Rolleiflex Automat • Rolleiflex 3.5 Tessar • Early Rolleiflex 3.5 Planar/Xenotar • Rolleicord Ia–Vb • Any TLR with Bay I fittings The Zeiss-Opton Bernotar W 32W also fits any 32mm push-on lens and with the Rollei adapter fits all Bay I Rolleiflex/Rolleicord cameras. • Most filters: clean glass with normal vintage wear • Some filters: small marks or light aging (see photos) • Metal rings: normal patina • Leather cases: very good vintage condition • Zeiss-Opton Bernotar: clean glass + secure Bay I adapter