"Celestron Cometron 7x50, The Celestron 71198 is cometron 7x50 binocular ideal for comet watching, stargazing and viewing craters on the moon
The large 50mm objective lenses offer amazing light-gathering capabilities and Wide field of view reveals a larger portion of the night sky, allowing you to view more of the comet's impressive tail. The cometron 7x50 features a multi-coated optics for enhanced contrast and its BaK7 prisms provide good light transmission, excellent sharpness and clarity . It also has a strong and durable alumnium housing, large exit pupil provides maximum light during night and low-light viewing sessions. 71198 Features: Porro Prism Binocular, Multi-Coated Optics, High-Quality BaK7 Prisms, 7x Magnification, Large 50 mm Objective Lens - Offers Maximum Image Brightness in Low-light & Long-range Conditions, Ultra Sharp Focus Across The Field of View, Rubberized Aluminum Body, Tripod Adaptable, SKU: 71198, Specifications: Diameter: 50 mm (2.76 in), Magnification: 7 x, Caps: Yes, Strap: Yes, Carrying Case: Yes, Weight (oz): 27.3 oz (774 g), Angular Field of View (deg): 6.8°, Linear Field of View (@1000 yds): 357 ft (119 m), Exit Pupil (mm): 7.1 mm (0.27 in), Eye Relief (mm): 13 mm (0.51 in), Near Focus (Binoculars): 26.2 ft (8 m), IPD Max: 72 mm (2.83 in), IPD Min: 56 mm (2.20 in), Prisms: BK-7, Optical Coatings: Multi-Coated, Tripod Adaptable: Yes, Includes: Strap, Carrying Case, Objective Lens Cover, Eyepiece Caps, Lens Cloth, Instruction Manual"