ITF replacement for Coronado blocking filter
The Beloptik ITF replacement filter for Coronado H-alpha blocking filter systems is a hard coated filter and solve the „rust problem“ of the original ITF in the PST, BF5, BF10 and BF15.
This filter is durable, has no aging and will place in the holder instead of the original one.
Please note, this is not the 6A sub-nanometer H-alpha filter from eyepiece site of the BF.
Safe use is only complete with both filters: ITF replacement in telescope site barrel and the 6A H-alpha filter in the eyepiece barrel.
Available again in September 2017
Price: 139.- EUR