Abstract: An optical fiber system includes an optical fiber light transmission system having a light path therethrough, and a filter module positioned to controllably place light filters into the light path of the optical fiber light transmission system. The filter module includes a movable support on which light filters are mounted, and a drive mechanism operably connected to the movable support to controllably move the at least one light filter into and out of the light path. The drive mechanism is operated to move the light filters into or out of the light path.

Abstract: An optical fiber system includes an optical fiber light transmission system having a light path therethrough, and a filter module positioned to controllably place light filters into the light path of the optical fiber light transmission system. The filter module includes a movable support on which light filters are mounted, and a drive mechanism operably connected to the movable support to controllably move the at least one light filter into and out of the light path. The drive mechanism is operated to move the light filters into or out of the light path.

Abstract: A lens mounting system (36) comprises a lens mount (53) having a cylindrical inner surface to define an internal cavity. An annular mounting member (46) projects into the cavity and has a fixed forward facing mounting surface (48). A mounting ring (52) threadedly engaged with the inner surface is selectively movable between a withdrawn position distant from the mounting member (46) and an advanced position adjacent thereto. A lens (40) for the system includes a forward facing optical surface (42), a rearward facing optical surface (44), and an annular mounting member (46) at an interface between the first optical surface (42) and the second optical surface (44).