HD 45mm Monocular-Spyglass Telescope

Product : 8 X30 10X40 12X45 Monocular Magnification: 8times 10times 12 times (high expansion) Diameter: 45mm (large diameter) Viewing angle: 5.2 degrees Exit pupil diameter: 3.75 mm Exit pupil distance: 12 mm Focus mode: eyepiece focusing Focusing methods: Material: Metal Coating: bluish purple broadband multilayer film Volume: 122 x 50mm 185x60 mm Net weight: about220g 335 g