描述
It is built up with three concentric cylinders to get the comparable function to a full 6" top hat but just with only in 2" profile. Concentric ring offers full control of spill and scattering beam for the S4 PAR and ParNel.
It is built up with three concentric cylinders to get the comparable function to a full 6" top hat but just with only in 2" profile. Concentric ring offers full control of spill and scattering beam for the S4 PAR and ParNel.
