Min. Order Reference FOB Price
1000 Pieces US$2.99-18.66 / Piece
Product Description
Optical Penta prism A penta prism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism. The beam reflects inside the prism twice, allowing the transmission of an image through a right angle without inverting it ...