CELESTRON Spotting Scope Ultima 100 45º Telescope

The largest aperture scope in the Ultima line, the 100mm Ultima offers more than 50% brighter images than the 80mm, allowing for better performance in low light conditions. The 100mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and comes standard with a 22-66x zoom eyepiece. This series was designed to perform well in a range of viewing situations, making it a great all-around optical instrument. You’ll love it for observing nature and long distance spotting and since it is completely waterproof you can feel comfortable using it in extreme weather. The green rubber optical tube allows for subtle observation in any nature environment. Ultima spotters are a great companion for any nature or outdoor enthusiast. Soft carrying case included. Features: - 100 mm Refractor Spotting Scope - Multi-Coated optics - 45° viewing angle - 22-66x zoom eyepiece - Sight tube for quick targeting - Waterproof - Soft carrying case Specifications: - Magnification: 22 - 66x - Objective Lens Diameter: 100mm (3.93´´) - Eyepieces: 8mm - 24mm (.31´´ - .94´´) - Angular Field of View: 1.8° - 1.0° - Linear Field of View (@1000 yds) / @1000 m): 94 ft (28.6 m) @ 22x| 52 ft (15.8 m) @ 66x - Focal Length: 540mm (21.26´´) - Exit Pupil: 4.5mm - 1.5mm (.17´´ - .06´´) - Eye Relief: 18mm (.71´´) - Close Focus: 33 ft (10 m) - Twilight Factor: 82.1 - 47.4 - Relative Brightness: 19.7 - 2.2 - Limiting Stellar Magnitude: Ideal: 12.50 - Moderate: 11.50 - Poor: 10.50 - Lens Coatings: Fully Multi-Coated - Prism Glass (Type): BaK-4 - Prism Coatings: FMC - Weight: 72 oz (2041 g) - Environmental Protection: Waterproof - Nitrogen Filled: Yes - Tripod Adaptable: Yes - Carrying Case: Padded green woven nylon view-through - Camera Adaptable: Yes - Dimensions: 540mm x 110mm x 180mm (21.3´´ x 4.3´´ x 7.1´´) Included Items: - Extend plate - Zoom eye piece with integrated T-adapter - Carrying case - Eyepiece lens cap - Eyepiece Port cover - Eyepiece carrying case - Eyepiece pouch - Lens cloth - Instrument manual Solar Warning: - Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. - Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. - Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.