Starizona’s premium ED reducer version L, which makes the speed much faster and the image much sharper. One of highest quality reducers available in the market. Specify your telescope among followings, so that we can include right spacer rings.
- BORG 90FL F3.6 (native F5.6)
- Image circle 30mm
- M42/P0.75 male at the back end
- Back focus is various by depending on the scope