Richard F.L.R. Snashall wrote: >FF is ThorLabs LF1338 > >SURFACE DATA SUMMARY: > >Surf Radius Thickness Glass Diameter Conic > > 4 -67.41 5 N-BK7 49.2 0 > 5 -200 4.162833 49.2 0 > > That diameter should be 50.8 mm. _______________________________________________ ATM mailing list http://www.atmlist.net/