Min. Order Reference FOB Price
1 Piece US$10.00-22.50 / Piece
Product Description
top quality standard Aperture Adjustable Optical Iris Diaphragm In optical experiments, we often need focal light source or control the light. The Unmounted High-Power Adjustable Iris Diaphragms are feasible with continuously adjustable clear aperture. 1.Black, Spring-Steel Leaves ...