The new ZWO 2″ LRGB Filters has good performance in transmission, also it has good coating, good color separation.
Technical Parameter:
Name: ZWO 2″ LRGB Filters (4 filters)
Size: 2″
Thickness: 5 mm+2.5mm(thread)
Thread: M48*0.75
Thickness: 1.85mm
the RGB color combine weights will be approximately 1:1:1
here is the the transmission curve
