Nikon 25x LER Eyepiece Specifications: Magnification(X): 25 Angular Field of view (Real / Degree): 1.6 Angular Field of View (Apparent / Degree): 38.5 Field of View at 1,000m (approx): 28 Exit Pupil: 3.3 Relative brightness: 10.9 Eye Relief (mm): 31.8 Weight (g): 170 Price: £91.00 Quantity: