Lumicon 2 Inch Multiple Filter SelectorLumicon 2 Inch Multiple Filter Selector allows up to 4 telescope filters to be changed quickly without having to thread and un thread them from the eyepiece or diagonal. Lumicon 2 Inch Multiple Filter Selector Lumicon 2 Inch Multiple Filter Selector allows quick filter changes without the need to thread and un thread them from the telescope eyepiece or diagonal. The nose piece also has a filter thread for one more filter. The selector is machined from