Manufacturer's part #01 LAL 005. Original price: $130.00. These are not cemented. Made of crown and flint glasses, design wavelengths of 486.1, 589, and 656.3nm. Clear aperture of 9mm, center thickness is 5.9mm, edge thickness is 4.5mm, surface quality is 20-10 scratch and dig. Uncoated. Unused.
