Min. Order Reference FOB Price
1 Piece US$1.00 / Piece
Product Description
oduct Name Optical Glass High Precision Coated 40/20 Cemented Group Taper + Lens Material optical glass Diameter as design Diameter Tolerance +-0.1 mm Thickness Tolerance +-0.1 mm Centration 3 arc minutes Clear Aperture > 90% Flatness L/4 Surface Quality 40/20 Bevel 0.25 ...