New, package is opened but lens is still sealed.
Achromatic Lenses, Achromats, Doublets, Triplets
Edmund Optics 32-886 50mm Dia. x 150mm FL, MgF2 Coated, Achromatic Doublet Lens
w doublet lenses, 公認海外通販サイト
Aspherized Achromatic Lenses
Specialty Lenses
Achromatic Lenses, Achromat, Edmund Optic
Achromatic Lenses, Achromat, Edmund Optic
Aspherized Achromatic Lenses
154mm Diameter 750/1200/1500/1800/2250mm Focal Length Astronomical Telescope Objective Lens Ar Multi-coated Dual Separation - Telescope - AliExpress