Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions. Ultra sharp focus across the field of view. Multi-Coated optics for sharp, clear views. Suitable for terrestrial or astronomical viewing. Protective rubber covering for ultra-firm grip. Large center focus knob for easy focusing.
Objective Lens Diameter (mm) | 80 mm |
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Magnification (x) | 20x |
Angular Field of View | 3.7° |
Exit Pupil (mm) | 4 mm |
Eye Relief (mm) | 18 mm |
Close Focus | 108 ft (33 m) |
Optical Coatings | Multi-Coated |
Weight (oz) | 75 oz (2126 g) |
Prism Glass (Type) | BaK-4 |
Twilight Factor | 40 |
Relative Brightness | 16 |
Weatherproof | Water Resistant |