40BL2-42

Iris diaphragm with an variable aperture for fiber collimators series 60FC-L/T/Q

with an outer diameter Ø 55 mm.

• System mount Ø 52 mm
  
• Min. aperture Ø 2 mm
• Max. aperture Ø 42 mm

Please note: In case of use with a single-mode / PM-fiber, the Gaussian beam from the fiber collimator is truncated by the iris diaphragm or by the pinhole