Edmund Scientific Achromatic Lens-Tech. Spec. 6.25mm Dia. x 12.5mm F.L.-CTD.

Edmund Scientific Achromatic Lens-Tech. Spec. 12.5mm X 30mm F.L.-CTD.

Edmund Scientific 40615 Coated Achromat Lens 40mm Dia 126mm FL

OPTICAL MENISCUS POSITIVE LENS 23.5 mm DIAMETER FL -39 mm Edmund Salvage

OPTICAL OPAL GLASS EDMUND SCIENTIFIC 4"x5" SUPER WHITE DIFFUSER 2149

Edmund DIN 40 0.65 Objective Lens

Edmund Scientific camera adapter astroscan edm

Edmund Optics 63224 63-224 12.5mm UV Fused Silica Ground Glass Optical Diffuser