bids are invited for optical elements mounted-bbo crystal , manual rotation stage , bg40 colored glass bandpass filter , high-precision rotation mount , bandpass filter , wollaston prism , sm1 lens tube , optical chopper blade , step variable nd filter , n-bk7 plano-convex lens , broadband dielectric mirror , protected silver mirror , kinematic mirror mount for , dovetail translation stage , visible and ir alignment disk , post- mountable standard iris , slip-on post collar for , spanner wrench for sm1 -threaded retaining rings , adjustable flip platform , rotation mount , kinematic mirror mount for microscope objectives , lens tissues , translation stage 25.0 mm with standard micrometer , right-angle clamp , post holder total quantity : 96