Feather Touch focuser budget set. Limited number of sets only available.
- Aperture : 55mm Fluorite apochromat
- Focal length : 200mm
- F-ratio : 3.6
- Lens configuration : 6 elements in 5 groups
- Coating : Fully multi-coated
- Physical length : 200mm
- Tube diameter : N/A
- Weight : 1.0kg
- Filter : 58mm (front hood) & 52mm (7000)
- Parts included : 2555, FTF-BORGIII, FTF-M57 & 7880
- Notes : FTF-M57 is 7901 version. Vixen-compatible dovetail plate.