1. Top in pic: inside bridge: American Optical. Excellent condition. Lens is 36mm high and 50mm wide. Total width relaxed is 106mm and extends to 112mm.
2. Second in pic: inside bridge: B&L 50. Lens is 44mm high and 48mm wide. Total width relaxed is 114mm and extends to 122mm. Frame has some areas of discoloration.
3. Third in pic: Lens is 44mm high and 48mm wide. Total width relaxed is 105 and extends to 115mm. Bridge attached to lens a little loose.
4. Bottom in pic: Lens is 42mm high and 44mm wide. Total width relaxed is 98mm and extends to 110mm. Frame has some areas of discoloration.