I'm looking for products with the following specifications:Replacement for Thorlabs Quantities 2,4,10,20PS977Retroreflector, Ø12.7 mm, L = 11.4 mm, UncoatedLA1213-CN-BK7 Plano-Convex Lens, Ø1/2, f = 50.0 mm, AR Coating: 1050-1700 nmBS05130:70 (R:T) Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 10 mmBS05430:70 (R:T) Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 1/2 Show More