- Aperture : 55mm Fluorite apochromat
- Focal length : 200mm
- F-ratio : 3.6
- Lens configuration : 6 elements in 5 groups
- Coating : Fully multi-coated
- Physical length : 190mm
- Tube diameter : 60mm
- Weight : 0.8kg
- Filter : 58mm (front hood) & 52mm (7000)
- Parts included : 2555, 7761, 7603, 7352, 7880, 7065 & 8992
- Notes : Includes a camera rotator and mounting bracket.
62581 – 55FL F3.6 complete set with BORG helical focuser
