1.25" Double T-2 Filter Holder (BP31)
Brand : Baader Planetarium
- In Stock
- Filter holder with T-2 thread and M28.5 internal thread.
- A continuous external T-2 thread with an internal 1¼" filter thread.
- Used for attaching 1¼" filters before Baader binoculars
- A 1¼" filter can be attached from either side and will sit within this adapter