Min. Order Reference FOB Price
15 Pieces US$20.00 / Piece
Product Description
optical BK7/ K9/quartz/sapphire glass roof prism Roof prism is the hypotenuse surface of right anlge prisms are replaced by the reflective surface mutually vertical, a totally internally reflecting roof attached to hypotenuse surface. It can invert and reverse an image, also, deflect the image 90 ...