Optical Performance
- 65mm objective diameter
- 25-50x zoom eyepiece
- Angle of view: 70-60° (apparent), 2.4-1.55° (actual)
- Fluoride-containing apochromatic HD glass elements
- SWARODUR and SWAROTOP high-contrast optical coatings
- Field-flattener lens eliminates geometric optical distortion and preserves edge sharpness
- Phase-corrected roof prisms