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Vintage Bausch & Lomb \"4X5 Protar V 3-1/2\" f18\" wide angle barrel lens (not in shutter) with retaining ring as shown. Note the ring does not have the typical 3-hole mounting ring, this is a retaining ring with three random placed home made drilled holes.
Excellent cosmetic and optical condition though there is a very minor amount of crystallization of the lens cementing at the edges which might cause a flare if a point light source is in the frame (Sun, streetlight). Uncoated glass is very clear. Aperture ring is very smooth if stiff, no detents. No serial number.WHO WE ARE: Oddog2 is a husband/wife team, home-based small business specializing in the buying/refurbishment/selling of primarily photographic equipment. We do occasionally have other types of things to sell that come to us as a result of our search for camera-related items. We have over 50 years of experience with photographic equipment, both as a shooter (17 years newspaper photojournalist) and as a collector/restorer/seller. We have been on as Oddog or Oddog2 since September 1999.