FS27.9x4.1 - Dia 27.9mm ET 4.1mm Fiber Protective Window 99.96%,AR/AR@10 30-1090nm PN: FS27.9X4.1 Alternative PN: LLM011-2840S Ref PN#: 212yfs0016, FS2790410AR1, 211LCG0037 Size: 27.9 mm x 4.1 mm Description: Broadband AR 900 - 1080 nm - AR/AR@ 1064nm C.Code:AR7 The contamination of the focusing lens is one of the main for poor machine performance and potential down time. The cutting head are very sensitive to any type of contamination. American Photonics has the best quality of protective windows to protect the focusing lens against contamination. Our protective window is a barrier (debris shield) between the lens and the metal sheet. To protect your investment Disclaimer: All parts advertised for sale are made by or for American Photonics. Amada(R), Bystronic(R), Cincinnati(R), Mazak(R), Mitsubishi(R), Laserlab(R), Laserdyne Prima(R), Precitec(R), Strippit(R), Trumpf(R) and any other trademarks not owned by APC are registered trademarks of the respective owners with which they are associated. APC is an independent site and company that is not affiliated with above-named manufacturers and the use of the names, trademarks and part numbers is for reference, identification and compatibility purposes only.
