FRM 40
- for use with SYS 40 or SYS 65
- motorized change of four or six filters
- 2-phase step motor or geared DC servo motor with encoder, incl. Hall-effect reference switch
FRM 65
- for use with SYS 65
- motorized change of 5 filters/optics (50 x 50 mm, ø 45 mm or ø 50.8 mm (2"))
- 2-phase step motor or DC servo motor with encoder, incl. Hall-effect reference switch