# LabelMark fibre vs UV: wavelength and lenses are not interchangeable - Source-Date (SAST): 2024-08-07 17:02 - Dest: both - Review-after: 2027-02-28 - Status: current - Source: company email (Archives/Internal Affairs), 2024-08-07 ## Facts - Fibre laser wavelength: **1064 nm**. UV laser wavelength: **355 nm**. - Fibre and UV lenses are **not compatible**, even when they look the same. - 2024 LabelMark-UV software and drivers were placed on CNCU (later installs should still check the current LabelMark driver folder).