120FX-301DIMENSIONS (Unit: mm in)FX-LE2 FX-SV1Super-expansion lens (Optional) Side-view lens (Optional)FV-LE1 FV-BR1Expansion lens (For vacuum type fiber Optional) Photo-terminal (For vacuum type fiber Optional)FT-J6 FX-MR1Fiber at atmospheric side (For vacuum type fiber Optional) Pinpoint spot lens (Optional)FX-MR2 FX-MR3Zoom lens (Optional) Finest spot lens (Optional)FX-MR5 FX-MR6Zoom lens (Optional) Finest spot lens (Optional)Mounting holePhoto-terminal side Amplifier side Mounting drawingwith FD-G4Mounting drawing with FD-EG1Mounting drawing with FD-EG3Material: Enclosure ......Aluminum alloy (A6061-T6)Lens ..............BK-7Material: Enclosure ......Stainless steel (SUS303)Lens ..............GlassMaterial: Enclosure ......Brass (Nickel plated)Lens ..............GlassNote: In order to obtain a "0.5 mm"0.02 in spot, it is necessary tokeep ‘?’, in the above figure,within the specified range.Material: Enclosure ......Aluminum (Black ALMITE)Lens ..............GlassNotes: 1) In order to obtain a "0.3 mm "0.012 in spot, it is necessary for ‘#’,in the above figure, to be 28.5 mm 1.122 in.Notes: 2) When inserting the fiber, insert it fully till it stops.Notes: 1) In order to obtain a "0.1 mm "0.004 in spot, it is necessary for ‘#’,in the above figure, to be 29.5 mm 1.161 in.Notes: 2) When inserting the fiber, insert it fully till it stops.Material: Enclosure ......PBT (Black)Lens ..............GlassNT-FX-MR5 (exclusive nut) is attached.Material: Enclosure ......Aluminum (Black ALMITE)Material: Lens ..............GlassMaterial: Enclosure ......Aluminum (Black ALMITE)Lens ..............GlassMaterial: Enclosure ......Aluminum (Black ALMITE)Lens ..............Acrylic